Bitcoin Forum

Hi ,
What do you think of the new antminer from bitmain?

1.Hashrate：2.7 TH / s ±5％
2.Power consuming：697W + 10%
3.Voltage ：11.6~13.0
4.Chip Quantity：90x BM1385
5.Dimension：306mm（L）*150mm（W）*275mm（H）
6.Cooling：2×12038 Fan
7.Working Temperature：0℃ TO 40℃
8.Connection：Ethernet
9.PowerSupply（1000W Enermax）
10.Noise level：62db（25℃）
11.Net Weight：6.02KG

Source for this?

Interesting if true.  This vendor in past has been quick to post info if who I'm thinking https://bitcointalk.org/index.php?topic=1195199.msg12543681#msg12543681 .

I have not seen/heard of this either.   But if who I'm thinking of... they seem to put info on here pretty quick just don't mention word leak info.... they don't like that

Well looks to be a tweener.

I do not like a piece of gear that is a tweener .

But my first prediction for the iPad was that : it's a tweener bound to fail.

So I did a full fail on that prediction.

Rather then say this a loser gear no one wants since it is not very efficient .

I will say if it is cheap maybe people will like it.

It would be good for replacing s-5's

So Bitmain listened and answered all our prayers?

Well it is the s-7 chip.  Would be nice if,it,was a new chip and used 300 watts.

Yeah but this is good for home miners. Since it probably will be quieter and won't require such a huge PSU.

A lot depends on the pricing however.

Yeah, now if only they'd released it six or eight months ago, instead of right before the halving, when Bitmain themselves and at least three other outfits are moving 16nm gear with between one fourth and one half the power consumption.

It has a built in PSU

Don"t think i have seen this on a bitmain spec

9.Powersupply（1000W enermax）

I do not know what they are thinking. Built in psu = $$$.

So it will be 350 plus shipping. Maybe 400 total.

And we will need to pull the psu out in a month once it fails s-2 anyone.

Maybe I will get one for the array and do review .

Frankly I may buy another gpu and Eth mine with it.

That psu must be left over from the s-2.

I just want to know where info is from and how solid it is.   They hit gear quick on here to try to get an ad.   They got avalon 6 on here really quick with prototype pics.  But.... they also reported on the Avalon 4 Mini - https://bitcointalk.org/index.php?topic=1152545.msg12135872#msg12135872 which never moved to far past prototype's. 

So I just want to know where info is from so we know how solid it is.

There is no market for home whiners. Make a S7+ instead.

Here is the source from its official website.
https://www.bitmaintech.com/productDetail.htm?pid=00020160421034108161se80ckq8069F

now that is cool. i would love a few of those for 0.88btc , it's a shame the shipping to Canada would be more than the miner....
those would work good for my situation, all-in-ones, and under 700watts, yummy

Did you see the post of the news source ?

Shipping to Canada will probably be like $50.


Wonder what they would charge without the 1000Watt PSU since most of us have a PSU already.

Looking at this however I think it would be cheaper to just buy an S7 and remove out hashing blade. And sell that blade on eBay.

ya i was trying to order one, the sites all weird, dosent show in cart then i get
"Freight calculation error, please send e-mail to info@bitmaintech.com"
so i can't even check shipping costs. i would buy one of those just to have 1, it would be perfect for my situation (small home noob miner)

I did now that you posted it.  Thank you for posting it is a good source with pictures and info.   In future you might include links to sources with posts.  

Without source it is hard to tell much as you did get the first They got avalon 6 on here really quick with prototype pics which was very real. But the Avalon 4 Mini you posted and have on your site really never made it past prototypes.

This only open 1000unit to local China. The price is including the postage(local) + PSU 1000W.
....however, from the chinese forum, this model is a joke, local chinese no one willing to buy.

I think that this purchase would be a disaster.

This is S9 design with older S7 chip.

The same disaster, as S5+  before S7.
..................................................
Now you have to know the S9 parameters

5.Dimension：306mm（L）*150mm（W）*275mm（H）
6.Cooling：2×12038 Fan

http://8btc.com/data/attachment/forum/201605/17/102600e32bzu3bz3mobm3m.jpg
http://8btc.com/data/attachment/forum/201605/17/102600yf1hw1hhhuk31331.jpg
http://8btc.com/data/attachment/forum/201605/17/102600jpsfs88jszdqjd11.jpg

https://www.bitmaintech.com/productDetail.htm?pid=00020160421034108161se80ckq8069F

With this they can also replace their ageing ATX PSUs... ;)

spiccioli

Those psus come from the s2

not worth buying with the psu.

shipping cost for that psu is a waste.

Too bad   as it is a decent format.

Would have been nice if it came out in December  without the psu.

Seems like they are trying to move the rest of the S7 chips out the door to make room for their S9 chips.

 I would love a few with s-9 chips and no psus


I could put this psu instead as I have a few of them


http://www.amazon.com/SilverStone-Technology-Strider-Titanium-PS-ST80F-TI/dp/B01CE7NV84/ref=sr_1_1?ie=UTF8&qid=1463501751&sr=8-1&keywords=silverstone+titanium+power+supply

I can't really make out the configuration, but is this roughly 2/3 of an S7, with the ATX PSU on top and two fans? The 90 chips sounds like two boards. The power requirements and hashrate don't quite fit the "two thirds of an S7" theory, but I'd be stunned if they actually engineered another board for the BM1385 chip at this late date.

As packaging goes, it's pretty obviously a "paste up job" of existing parts (except for the top PSU mounting bracket).

I know I will pass, though I don't think Bitmain will miss my non-purchase.  :)

@Tupsu: Why do you think this tells us anything about the S9?

Is there some kind of april fool-like equivalent thing in China or something? This is silly as hell. o.O

My crystal ball says , it is the ancestor of the S9. It will soon be seen.  

S9 will be two blades small miner,  with the possibility of fixing the power supply unit or with cheap CPU on top

Basic Dimensions: 301mm(L)*123mm(W)*155mm(H) without power supply holder

works for cheap power guy that wants a quieter miner.  but so does unplugging a board on a real s-7 then down clock the two left from freq 700 to freq 500

Hmm. I think for a cheap power guy that wants a quiet miner, you'd want a severely undervolted version and not those fans. When i looked at the price, i told myself:
"I dont see any upside, if i was to throw money away, i'd buy a S7 and underclock that, which would give better results, I think."

On the small amount of "free" electricity i have, i have been running my now obsolete S3/S5 on silent or aftermarket fans.

I don't know maybe this fill a niche somewhere and i just don't see it.

This is literally just a 2 blade S7 with a dumpy pc ATX power supply. At this price you may as well buy a normal S7 and trade someone the extra hashing board for a quality PSU if you want to run something under 1000w.

Plus as the other guy said, this is a limited run only available in China.

Very interesting I wonder what if anything ever happened with the U4 does anybody know.  When I started mining I started on the U3 and I always have hoped for a U4 but I've heard nothing about it.

The same thing that happened on the S6 and S8 i believe. I don't know if Bitmain plan on doing any other small miners again, but it would be nice. My absolute best IMO is the S3. Some S3 with S9 chips would be sooo nice.

With the current network hash rate and difficulty I cant see them creating smaller miners as they would never be able to achieve ROI.


I want larger, faster, rack mountable units personally. Id rather monitor 1000 large fast machines than 10000 tiny lil S7 style miners :/

same my power cost is kind of free i just never really admitted it or said so because i pay it back in other costs i pay in my house like cable phone etc . i don't have to but do any way and it's few 100 a month and even pay half the power bill from time to time, on top of rent food the normal stuff .

that's exactly why i keep running s3 s5 and a4 etc even some old ass script miner thu i just retied one took it a part and thu away the inside,molded the case some then put in more up to date script miner boards .
I like doing bitcoin and alt coins one can and does off set the other.

i love how it implies on the bottom that mining on any other pool but antpool may void your warranty.. :/

anywhere else but MINERAL pool! haha    (is that google translate error or BMT translate error?)

no but i never noticed that till now, it does kinda imply that hey?   good ol' BMT .... -_-

If you don't care to ROI and want to mine in your home buy an S3 instead.  It secures the network just as good, and you will lose less money.

You're welcome  ;D

On a side note, I agree paying too much for a POS PSU (if it's the same as the S2) and additional shipping costs.  This seems like a step backwards, and only good to dump old parts on suckers who don't understand the halving.  I much prefer the S7 design myself, from both a practical and a biased, self-interested point of view (server PSU's).

Well, like everyone else.... I just hate it. A two board S7, great idea if it had been done a few Months ago, with a PSU that noone needs or wants, pushing up the shipping cost at a total price which is very close to a batch 17, 3 Board S7.  Duh..... Must mean that S9 is close?


Rich

I am not sure how staring at a loud piece of tech pumping out heat while costing you money makes sense for anyone. I mean the whole point of mining is to make a profit is it not?  You may as well crank your house heater up, open all the windows, and just watch it waste money if thats the case. No special hardware, no reboots, no mining pools needed.

But the furnace is so boring... no flashing lights at all.

I don't think the S7 will be only 2 boards, unless each board can drain 600/700w. At this point, a new miner with less than 8 Th/s will be a bit disapointing. When you have 3 or 4 antminer s7 running, you think the antminer s5 is a very small miner, you would need 12 or 16 S5 to do the same hashrate (with a lot more power, of course), and you would need up to 43 antminer s7 to do the same hashrate. I don't belive we will see smaller miners than the s7 from bitmain (and of course, avalon will raise the hashrate of new miners, too). Do you belive it could be a new Antminer S9 with 5.4Th/s and draining 700w? I think it will be greater, draining 1.300w and hashing 8.125 Th/s (0.16w J/Gh)...
But i'm only speculating about it, i really don't know anything about Bitmain...

I have agree with you here, I would like to see some big industrial rack mount equipment with either a way of plugging PSU's in, (maybe three laying flat above with the cables curving round) or inbuilt PSU's

I however like this 2.7th machine to be honest, when you try and add it to the cart in the UK it just turns into a S7. :(

regs

yeah but this is not really sustainable.. you cant just keep getting faster and larger every generation.. pretty soon they will have to start delivering 1ph truck size farms..


smaller more efficient is really the way to go if you want to keep making a profit. hopefully these companies that make the miners realize this and stop making industrial size miners.

That depends on your target market, which is shifting more and more so to large orders that can afford to have multiple 1 PH/s trucks.

I think this is a much better idea for ending the life of a chip than the S5+.  The S5+ was targeted at the same buyers who would have purchased the S7 two weeks later.  This S7-LN is targeted at smaller budget miners who most likely won't be purchasing the S9 anyway.  It is a very large step forward from the S5+ disaster and I'm glad to see it.  Having learned my lesson already though, I will wait for the S9 this time around.

Why exactly can you not get faster and larger? As mining is industrialized that is what needs to happen to keep it growing.

P.S. There are multiple companies that have built and offered to sell tractor trailer sized self contained farms. As a matter of fact Avalon is working on one right now. The only problem is the cooling in such a small enclosed area. You have to use air conditioning which basically destroys the profits.

Yeah well it was still cool to mine some btc or some altcoins with the U3. If they used the S7 chips on a U3 type platform I think the hashrate would be pretty high relatively speaking.

I think we can all agree on this:  More flashing lights.  Christmas color leds.  Even more leds.  More flashing frequency.  brighter.  faster.  longer.

S5+ wasn't that bad. If you had free electricity you would make more money with it than S7.

https://bitcointalk.org/index.php?topic=1477198.0

Yeah but that's an aslo of free electric.

NO way going to ROI on these halving is shortly and no doubt it going to get tough in BTC world. Days have gone when only needed small asic to make a good profit. Corporate business who bulk buy killed the mini miner off or home miner from making a good amount of profit after brake even. Will be interesting to see how the price of BTC goes after few months after halving and how the mining hash goes too.

IF it's real



awesome not really i see why no one really wants it now i don't even think i do @ 300 to 400 USD imo as other said wait: S7 will be the same price if not cheaper, there milking it till they get there new chips ready .

and hit us with a over priced s10 s11 s12 or what ever name they give it and it will sell unless bitfury  does what they said https://bitcointalk.org/index.php?topic=1291890.msg14898273#msg14898273 the other day and BW comes thu we should see nicely priced miners again everyone can enjoy.

Why post this again? We already know its being sold on the Chinese Bitmain website.

here here i love to see those lights don't know what i do now with out them but yes more lights please on those miners.

Waiting for news

Do you think we will hear anything before the halving on the new miner?  I would think they would wait until the dust settles.
That's why the last (maybe) run of S7's shipping out starting this week.  Just seems like a chaotic time to introduce a new miner.
But I suppose they will sell them regardless of the cost.  I did order one last S7 from this upcoming batch.

Well, however - I think it is a nice idea for small or low power miner, who just want a small machine.
It the chinese people dont buy it maybe bitmain will sell it worldwide ;)

The timing of that monstrosity is awful, it is as useful as tits on a boar  ;) - unless it has some newer chips than the 1385

I dont know why they didnt just come up with a 3-board design using undervolted chips for less heat and better efficiency. I bet a 135-chip design could manage 4.2TH/1kW, which would be pretty compelling.

Including the PSU seems silly in most places where PSUs are readily available in stores. Unless its <$80 for that PSU it not really worth the hassle and shipping costs compared to the local NCIX/tigerdirect.

but i love the top bracket. Id buy just that for my S7 as it looks like a great way to minimize cord clutter from the PSU

I have no idea what will sell in China.  But it's the price that baffles me.  It's like they are sticking it to their own countryman.

You gotta love the communist free market.

pure speculation

S9 Specifications:
1. Hash Rate: 9.63 TH/s ±5%
2. Power Consumption: 1350W+ 10% (at the wall, with APW3, 93% efficiency, 25C ambient temp)
3. Power Efficiency: 0.15 J/GH + 10% (at the wall, with APW3, 93% efficiency, 25°C ambient temp)
4. Rated Voltage: 11.60 ~13.00V
5. Chip quantity per unit: 114x BM1396 6. Dimensions: 301mm(L)*123mm(W)*155mm(H)
7. Cooling: 1x 12038 fan
8. Operating Temperature: 0 °C to 40 °C
9. Network Connection: Ethernet
10. Default Frequency: 800M

Wow, even speculating the frequency. I have a feeling that this will be the closest to the S9.

what are the specs of the old s7?

... and then the chinese people call it S11 and your speculation is over :D

Anyways. I hope after claiming the first position they will stop a bit - even if they have a new chip.
They shall use it for own farm and dont sell it.
This would be a good long time invest for all who already have an Antminer or who want to buy a new S7 right now.
If S9, S11 or whatever is on the market the ROI for old mining hardware will be in danger (like it is and was always).
Every time the difficulty gets a bit higher the earnings will be harder --- and everytime the hashrate increases --- the difficulty will increase faster, because of passing more blocks is faster, too.

For me the winner is fix. They should be ready with a new asic out of the box for the day a competitor is announcing a new asic, but for now --- slower is nicer ;)

Just compare in here: http://bitcoin.sipa.be/
or somehwere @blockchain.info  ::) :P

We dont need exploding hashpower -- we had enough the last month  :o 8)

I wouldn't buy that, I'll buy a new process, fed up of the 28nm which right now, it is having a longer life than 56nm...
Bitmain is hellbent on diluting the entire mining market at all costs, so I'm not going to help them any further.
They counter difficulty increases with putting in more hardware on the market, so there is no new-diff-settle time; which is anti-Bitcoin... it's a market takeover.
Like it or not, Chinese pools amount for over 75% of the pooled hashrate.
Who profits from this the most?  You guessed it.  Buttmain.

This is just a pilfer miner, like the S5 was... just meant to take your previous miner's good coin yields to pay for the cheap-ass hardware.
Nah, I'll keep my coin this time and wait for the next generation miner, and potentially, next non-dick manufacturer... but they all are.
I bitch at Bitmain but KnC & BitFury are 1,000 times worst and will be until there is serious competition.
Until then, enjoy Bitmain's monarchy, BitFuty's lies and KnC's selfishness.

+1 for the bracket, would do anything to be able to tidy up the mess of cables and PSU's currently plaguing my s7's

zip ties and more zip ties will clean it up!

https://shop.bitmain.com/productDetail.htm?pid=00020160527114935137wr0xd6U006A9

It would appear it is now official.  This wattage is much more workable in my appt.. Do likes.

After running the calculations am I correct that holding all things constant (same elec. rate, shipping from Bitmain, difficulty,) the ROI seems to be about the same this S7-LN vs. S7  (within about 10 days or so form the calculator).  I am not even questioning if ROI is even achievable with everything else going on.. halving..next gen equipment etc. Just doing a direct a comparison between these two models.

my calculation allotted for buying a S7 PSU for about $150, and being able to use a $100 coupon on the newest Batch s7 (which I assume cant be used for the S7-LN?).

This would make total shipped cost of Each:

• S7-LN = $276
• S7 Batch 17 + PSU = $550

My point is, unless you just need a smaller / quieter machine... ROI wise & comparison wise the S7-LN does not seem drastically different that the S7.  Does this seem correct?

I believe they are aiming this miner at people like me.  Who want to mine but I don't want to be running an operation.. Just something that uses a bit of power but is still actually adding some calcs to the network.  The idea my CPU at 500 hashes is adding to the network is just BS.

I am highly considering one, still a little more power than I would like to use BUT it is in the range it won't overload a circuit and I can have a few more things on the circuit. 

I wonder if those Enermax Revolution87+ PSU's are used or leftovers from S2 times.

I think this is them just clearing out old stock that would otherwise just sit there losing money for them. People wanted a lower power miner and dont care about ROI, so here it is!

As i know all coupons are expired. is this correct?

If not, can somebody check if it is usable for this miner?

All coupons ARE expired.

Funny thing is, people still trying to sell them on eBay, even listing the exp date... so if anyone is starting a expired coupon collection  :P :  http://www.ebay.com/itm/100-OFF-ANTMINER-S7-Bitmain-Coupon-Expires-5-11-16-/322054298549?hash=item4afbee9bb5:g:3aYAAOSwQjNW-IMY (http://www.ebay.com/itm/100-OFF-ANTMINER-S7-Bitmain-Coupon-Expires-5-11-16-/322054298549?hash=item4afbee9bb5:g:3aYAAOSwQjNW-IMY)

no all coupons are dead.

4 of these small units shipped to usa   will cost 1291 with psu and shipping  you get 10.8th

2 s-7s with psus will cost 1335

so plug n play

  10.8th for  1291   s-7 lite
    9.4th for  1335  s-7 regular.

assume the power use is equal the new model looks a little better.

of course if you had a coupon then the older model is better. but coupons are dead.

They really must have some specific formula for determining these prices

Because its basically makes them useless by the time it pays for itself unless BTC doubles, difficulty halves.

I guess none of us will like the S9 pricing.

The s9 will only work for a low power guy 5 cents 6 cents.  I wonder if they will make it use 2000 watts  killing off most if not all  120 volt  setups.

So I see these are now available on the main Bitmain site.

$276 shipping from June 2nd.

Great pity from an International shipment point of view that these are not available at a lower price & weight without the PSU.


Rich

In my opinion there is on point on the new S7-Lite which is perfect.
The new PSU holder on top  ::) ;D

For mining in general to remain profitable, the price of Bitcoin will have to double for the halving. As long as the price shoots up to match the difficulty - which it always has - especially after a halving, miners will remain profitable. Especially including this S7-LN because it comes with a power supply.

I'm not quite understanding why everyone is calling this useless. It's just as efficient as the previous S7, half the price, half the hashes, but it comes with a power supply.

Heck, I might buy one so I can put the PSU in a big desktop and run it on something that'll actually hold up. Maybe play with undervolting and see what it can do.

If it's half the hashes and half the price including the PSU, just think how much profit they're still milking off the full-size S7. And just think how much profit they'd have been milking when the originals sold for four times the current pricetag. If nothing else, it's useful for that slap in the face.

The price doubling after the halving doesn't make a whole lot of sense since the price would be based on availability, and the halving only affects new coins - most of the coins to ever exist are already in circulation so the halving doesn't have that much of an effect on overall supply.

I only say it will double because A. it will nearly have to in order for ANY miners to profit, no matter how large or small of an operation. B. the last and only time it halved the price shot through the roof, and there's only more backing for it now.

I think they came out with this to hedge against the halving, to get more people mining.

the price went down after the ½ last time and   the diff dropped a bit.   then 3 or 4 adjustments  later we upswung in price.

Topping out in April 2013  at 240 usd  then a crash.  I would argue asics boosted price along with the ½ing.

But now we do not have something 10x the efficiency  like asics were to gpus

Any idea if this miner will run a little quieter then the original S7?

yes I think I saw a db number a little lower then the s-7.

True, but remember it wasn't decades ago that we were at $700-$1100. I mean, look at whats happened the past year! We're up twice as much as we were! The point where we're at now could just be a year and a half "down-ish swing", and the when it halves it could easily double in price, which would keep miners profitable and keep the network alive.

Either way I'm waiting a month or so after the halving for the dust to settle and see where we're at. Only at that point will I consider setting up a decent mining operation.

agreed.  im hoping that knc going down will drop 50-100PH/S from the network over next few weeks/months to reconsider mining ;p 
till then im following phil, GPU rigs all the way

The money some people I know are making off Ethereum right now is ridiculous. Hopefully my check comes soon so I can get going, every day that passes is a lot of money not made.

Looking forward to read about the hardware. In special if its used/looking old hardware on the PSU's

I have 310mh doing eth coin.   at 18 cents power on the 1st of june

I have 27-28th doing btc coin   at 'free' power =  I provide rigs buysolar provides  power we split the coins.  With my summer power price it is the only way I can mine btc at the moment.

I make more with eth coin then the btc at the moment.

I also blend and balance the  eth btc and cash  about ⅓ +  ⅓ + ⅓

And I stopped renting for a while.

So a mix is what I am doing. I will very likely get a s-9 when it comes out.

Even if the S9 is priced higher than previous versions and comes with a higher hash rate, it will likely be more efficient, being worth the upgrade. The new S7 that comes with a power supply though, those are looking great! You shave hundreds or thousands off your setup because of the free PSU. What I'm curious about is what the halving will do to mining. These things don't ship until a month before the halving, that's what is making me hesitant.

Anybody know if that Enermax will run on 120v?  If it's anything like the S2 PSI would imagine that it would but I just want to make sure.

It should but if,it does not I have something for you.

Yeah I got a bunch of them at 120V

Yes.
http://www.enermax.com/home.php?fn=eng/product_a1_1_1&lv0=1&lv1=58&no=190
https://i.imgur.com/ig90dhf.jpg

wonder if they are going to update their price..

Price and discount: Retail price is $276 per unit excluding shipping cost.


Price:       291 USD
            ( 0.576 BTC )

It looks like bitmain changed price. Yesterday was 276 usd but today 291 usd.

Thanks for the all the replies on the power supply.  I didn't realize the Enermax is multi-rail like the LEPA 1600.  I can't believe they raised the price already thought.   :'(

Coins went up.  This has been done before by them on more then one occasion.

I have to clock their btc addy try to figure out their sales on this.

Yesterday the BTC price was about 480$ and today at 540$
Maybe thats the reason?

probably yes and when we calculating by bitcoins it looks that price is cheaper on official page

friday: 276 USD ( 0.563 BTC )
sunday: 291 USD ( 0.543 BTC )

It is "multi-rail" PSU for protection, like the circuit breakers in your house.
There is actually quite few real multi-rail PSUs.
See this review:
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story4&reid=270
and info about multi-rail PSUs by jonnyGURU:
http://www.jonnyguru.com/forums/showthread.php?t=3990

That's cool wish this was all ways that way price goes up but BTC go down :) . makes buying stuff easier with btc and in a way saves cash kind of . why i'm glad there is cash to compare it to .


so who buying one of these  it is temping ?. there on sell now !!! to any one any were

i could have the cash to gather in about a month the bitcoin halving doesn't worry me.

I see it as a good thing and we will all adjust or it goes under and eth steps in . or we get 12.5 or so less coins and over time it gets a little harder to hit a full BTC of 12.5 coin per like now,  I'm  not to sure  if the difficulty is affected by the block change if it's not it should go about  like LTC did and after it all adjusts out we get less coins per block with the same usually complaints,  me included. .  ..and the price goes up but this time stays up and in four years it happen again.. this reminds me of the time change a few years back from 1999 to 2000 the  2k so called bug nothing really happen and life went on .

I may buy one of these or wait see what happens to the Avalon 6 price i got a feeling we won't see any of the new miners with new chips till around the middle of June to the end of July sadly.

unless they go sell in the next day or 2 we sure as hell won't see them in May for sell to the public in gen.

I'd rather not have the PSU.
I'm NOT fond of Enermax power supplies in general (had way too many dead ones still in warenttee), and a 1000 watt unit on that miner is overkill anyway (a good 850 like the Seasonic X850 Gold or the EVGA G2 in that ballpark would make a LOT more sense), but too small for any other useage I'd want to put it to.

 Then again, looks like they might have had to go to a 1000 watt unit to get enough PCI-E connectors - my X850s only have 6 of them....

Well they are obviously trying to get rid of some datacener PSU's. Otherwise it wouldn't even make financial sense to include PSU in $270 USD.

exactly.   

has someone confirmed those are S2 PSU's on that note? im curious, as they, yes, MUST have been "old inventory" from SOMEWHERE imo

So, I bought one of these. Mostly because I want to play with volt adjusting and I actually have need of a beefy ATX PSU.

How do you adjust the voltage on these? Is there an option or do you need to solder a variable resistor?

I'm sure it'll require hardware hacking; best case, it'd take jacking into a DPOT's I2C line. Probably pretty much the same as the 135-chip S7 "repair" thread.

I'm a little confused.  If this is just 2 blades of a S7 with 90 chips (45 per blade compared to the 3 blades of a S7 with a total of 135 chips) and the chips are clocked at the same 700M, then shouldn't it be 3.15 TH/s (instead of the 2.7 TH/s)?  Or am I missing something here?  I see that the power usage is less than 2/3 (866W vs. 700w is about 81% of original), so the efficiency is corrected for the 2.7 TH/s to 0.25 J/GH.  Or do I have this wrong?

EDIT:  I think that the 700M is an error and that they are running at 600M (this is the speed I had my S7 running and it was putting out about 4.05 TH/s).

Shipping is about $55 with FedEx to So. Cal.

Also, when someone gets one, please post pics on how the PS bracket is attached to the S7 case?  I'd be interested in just picking up the PS bracket if available.

Yes I agree the obvious Maths do not add up. I had assumed that it was merely a 2 Board version of the 700MHz 3 Board 135 Chip S7.

So either the clock speed must be less than 700MHz or the Hash Rate of the chips at 700MHz must be lower or they just got the maths wrong...


Rich

I agree that something looks off. The website for this miner suggests that it's running at 700 MHz, then the figures don't work out right. It would be really attractive for somebody to get their hands on one and do a proper review. Maybe they got some overall power reduction in the fans, but that doesn't cover the hashrate and frequency discrepancy.

2.7TH is dead on for 90 chips at 600MHz. Given that a lot of the listing looks like it was copied directly from an S7 page, saying 700MHz instead of 600MHz wouldn't be the only error in the info.

Yesterday I received s7 silent. Chips frequency 600, temp 45/48 but I have cold room. Fan speeds 2700/3000 and I have to told you that is really silent.

New S7-LN running



http://happyredmonkey.com/ant.jpg

 That's what EVGA G2 1300s and Seasonic X1250s are for.

 8-P



 The listing error would be ... more than a bit in character for Bitmain on their S7 varients. Anyone put a wattmeter on one of these puppies yet to see what the REAL power draw looks like?

     It looks to me that a clock at 540 vs 600  would really let fans run low. Hash would drop to 2490 vs 2770
  I wonder if sidehack could figure out a voltage drop for these.
 Remember how the s-1's could do  140gh at 170 watts  vs   200 gh at 400 watts  with a simple pencil mod.

I don't need a PSU that beefy. Honestly a good 650 would do it, so a cheap 1000W is probably about right and I don't want to gut my Dragon.

I'm going to have a lot on my plate starting about Tuesday of this week and going through the forseeable future, but I'll probably still make sure to take a day and jack around with this miner as much as I can. The BM1385 should be capable of going below 0.2J/GH board-level.

Thanks for sharing interesting to see this out in the wild.  I would love to see more pictures of this miner.   Think you can get the front/back/sides with a camera and post in thread?  Either way thanks again for sharing.

this miner looks like a nice one for office use.

set freq to 540  it will hash 2500gh  use just over 625 watts.  be quiet  .  looks like a good fit for some.

I think somebody already figured out a way to undervolt these by doing a mod. It ran I think at 0.22w/ghs

What are you waiting for? Pump it up to 700mhz

It should do 700M no problem (doing 3.15 TH/s), but since the fans are only running at about 3,000rpm, it's not advisable.

I recived my 3x S7 LN today
2 of them are working fine,
1 of them is not powering at all
Can anyone help me ?


I checked the power cord and it is working correctly on other PSU
I switched the PSU on first and then the JUMPER on
Miner not powering at all

Any advices ? WHat should I do ?

It's a brand new miner that I just recived a few mins and not working at all
I don't like this, and I don't want to send it back to warranty because it will cost me so much to ship and lose so much time

Later Edit : I was thinking that it could be only the PSU that is not working right ? Because if it was working fine it should have started even without the miner ?

Later Later Edit : Switched the PSu with one of mine and it is working
F*cking Bitmain send me an already burnt PSU

honestly thats what you get for buying cheap chinese shit man
good for you, next time don't support a company that sends out garbage, and works to destroy BTC thru their mining practices.
good for anyone with shitty equipment from them

So who would you buy a state of the art Miner from?


Rich

and they are not cheap at all ! in fact they are very expensive
they are just shitty

Cheap can refer to price or build quality. Bitmain didn't used to sell either, but started going cheap on build quality with the S5.

anyway, It later found out that it was only the bitmain jumper fault
I powered it up with the paper clip method.

Just got word that my unit has shipped and should arrive Wednesday. Hopefully I can take some time in the short term to jack around with it. Might even see if there's a way to hack the PIC for voltage adjustment without requiring hardware changes.

   I just ordered one from HolyScott, I can't wait to see if you come up with a way to cool these down a bit more.

I don't really have a timeline, unfortunately, given how full the plate is with manufacture, manufacture, manufacture and dev. But I'll do what I can.

Could someone drop a video on youtube with one of these running in a room by itself?   My buddy wants to see how bad it is because he is considering ordering one.  He couldn't bear his S7, so I took it in for him for a profit split.

If possible to show an S7 running in the same room alone as well for comparison, that would be super =)

I heard that the fans have a speed of ~3000rpm, so could it be like back in the Antminer S1, S3 -days?

edit: okay, good point Real-Duke

I remember my S3 run mostly with around 1800rpm.
But indeed it would be nice to have a sound proof from the miner

An S3 can be kept in the same room as you with no sound woes if the ambient temp in the room stays under 75-80*.   They are super quiet TBH....  But those are <= 2000RPM fans....

So it can't really be a basis of comparison IMHO =)  He is just curious if he will need to do any special soundproofing is he buys one.

I've resisted buying one so far, but if these are quite like people are saying I might have to order one. 

Why buy a miner that's going to be close to or totally UNprofitable in a month?

 Bitmain kinda shot themselves in the foot about these, didn't give themselves enough time to sell very many before they announced the S9.

I would love to see some more images and hear about sound level.  I'm thinking this could be more of a S3 replacement for those with "free" electricity that don't want a full bigger miner like S7/S7-F1.  Also does requires less electricity then regular S7, so again some market for it.   So i think there is a market for it, just smaller then S9.  

But once someone get's one I really hope we hear on sound level maybe even at a lesser freq and see how low it goes.

3000rpm doesn't mean anything because the fans on the S1,S3 are different then the fans on the S5,S7.
The latter have some industrial type of delta fans and they were louder at 2500rpm, then the older fans at 3000rpm.

Only way to make this quiet is to undervolt and underclock.

To stay with the S3 together in the same room better solution is/was to replace the original fans with some Arctic silent fans and max 1500rpm
Like this I have had some in my living room as heater during winter months  ;)
Surely this couldn't be done with this new S7-LN....

3,000 rpm on the S7 is noticeably less noisy, but will you be able to sleep with it in the same room.  NO.

Where are the additional pics. from those that received theirs already?  Would like to see more, like how the power supply bracket is attached and if there's anything in the 3rd blade location or is it just empty?

3000RPM on the S7 and hashrate to 2.5Th... (have batch 6) and the miner is as loud as my PC with it's cooling fans full-tilt.... and its a dell Precision 690... Its not quiet.   But I myself an used to that sound in my room so to each their own I guess.

I have an S3 in my parents garage, and it does get loud when it gets heatsoaked.  Its higher in the rafters because that's the only location there's space, ethernet access and power.  So I can see how it would bother people and run high fan speed if trapped in your bedroom or livingroom.... But for the one in my living room, when its not at full fan speed, you hardly notice its there.  It only kicks up fan speed for a min or two every once in a while, or if I forget to leave a window open during the day.
This is what my friend is trying to see if the S7-LN is like.

 S5 fans were a FFB or similar series Delta focused flow design in the 3800-4200 RPM range - NOT 3000 RPM or even all that close.
 I don't know what the S3 used, perhaps AFB series Deltas (which ARE quieter at the same RPM but don't handle backpressure very well comparatively)?

They are very low RPM.  I never see more than 2500.

Silent at 1000-1500.

Mine just arrived. Gonna have some fun with it, but first...

http://gekkoscience.com/img_stash/S7LN/outside_view.JPG

http://gekkoscience.com/img_stash/S7LN/inside_view.JPG


Can someone confirm if that's the S2 PSU? I only ever bought a kit new, which didn't have the PSU, and neither did the secondhand machine I picked up a long time later.

Nice to see they got taller heatsinks instead of just leaving voids. That's what I was worried about. Reckon the added surface area improves heat transfer to air for quieter fan speeds at the same frequency as a standard S7.

It looks like the s2 psu to me.

Whats about the noise he make? Btw great that somebody got one before the holidays  8)

5-minute average 2716GH, temps 46 and 49, fans at 2880. I'm not a good reference for "how loud is this" because I have a high tolerance for fan noise; slept near a computer for the last 15 years, heated my living room with A1 Dragons and underclocked S4 the last two winters, and my desk is about 40 feet from 100KW of hosted machines. But I will say, I can't even hear it running sitting next to the S4+ (...whose PWM lines were clipped so the fans are rolling 4KRPM).

Sometime I'll put it in a quiet room next to an S3 and see how it compares. But now that I know it works I think I'm gonna do some hacking.

Awsome pics, mine arrives Friday!

So does it arrive like that with the PSU attached and plugged in and everything or do you have to assemble?

It came out of the box fully assembled. Ethernet and C13 and you're off to the races.

I can confirm this, I have this particular PSU, Enermax Revolution 87+ 1000W in my Ant S2 (batch 4), which I still own.

it is pretty good for the watts this unit will pull.

it was under powered for the s-2.

So there is no "real" problem with the psu but it looks they take them from the old an dusty stock?

I really like the design of this unit. If BMT would release an S9 version, I would actually make a purchase.

Didn't you know we're talking about Bitmain??? It's their standard mode of operation. Or were you being sarcastic?

The cables on my PSU look pretty tidy, but yeah there's definitely dust inside.

On another note, my warranty is voided. I'm currently running one blade at 9.13V (610mV per node average) and 450MHz for 1TH at expected ~200W board-level. It's stable, 1 reported error in the last 15 minutes. I don't have an actual power measure, been doing other things.

I ended up yanking the PIC and talking to the DPOT directly, so I ran out a chart of 10mV (node-level) increments from 580 up to 770, the full range of the regulator. If I find time this weekend I might try and write a quick-and-dirty firmware for the PIC that sets the voltage at about 105% for 30 seconds or so and then takes it down to setpoint. I can run out a series of hex files based on the desired setpoint voltage, and then anyone with a screwdriver and PICKIT (I'm using a PICKit3, can be found readily enough for $30-50) can customize each board's voltage by accessing the ISP header after taking off the rear fan. I started discussing this process over in the Cheap S7 Repair thread, but maybe I should make a new one.

Looks like the default setpoint on this guy was 10V even rather than the ~10.3V of a full S7, which makes sense if it's designed to operate at 600MHz.

This S7-LN version seems so cheap for it to include a power supply.  The original S7 was nearly 2000 when it was first realeased right? and now a "lite" version is selling for 291 lol.  I guess it just shows how big a mark up these things really have on them.

The PSU is the main selling point in my opinion. Correct me if I'm wrong anybody, but this PSU sells specifically for $180+. Plus I believe that this miner is the most silent they've had. Absolutely perfect for somebody getting into mining, or even big boys who just like a great deal of PSU with their miner.

Based on sidehack's statement, I am pretty sure these power supplies are used. I am definitely not a fan of using a power supply with an unknown history. I seriously doubt this miner is the most silent they have ever had especially when you compare it to the S1 and S3.

Does it have PSU all cabling?  - CPU 4+4, Molex, SATA etc?

Nope. ATX, CPU, and the 6-pins running off it look to be a custom job maybe 8 inches long. I'd like to use it as a PSU for my file server but I'll have to make the Molex jacks for it.

Hm...I am seeing that people have called it dusty which is a pretty good sign that it could be used. Which would be illegal for them since they do not say it is used...at least in my country. That obviously brings down the luster of the deal, getting half used hardware and thinking it is new.

Ahh...little dust don't mean it's used. Maybe this is just how things get delivered to bitmain...
https://i.imgur.com/inXVklS.jpg

 Molex?

 People still use Molex for hard drives?

 8-O

 (fans are another story of course!)


 

Houston, TX, United States  06/10/2016  5:00 A.M.  Out For Delivery   ;D

LOL yeah that must be the reason. Just a little dust from delivery. Totally haven't been mining with their psu's for years ;) but seriously, I think that if they had them sitting around in a closet they would have done something else with them...maybe they just had a huge overstock too though.

The inside of mine was fairly clean by my standards - nothing caked up, but some dust collected in the ridges on wire bundles and stuff. The fan blades had a thin film of grime on 'em. It had definitely been used, but either in a fairly clean environment or they did a good job blowing it out before shipment.

I'm going to wait for Dogies review of the miner before I even consider looking at getting an S7 Lite. I like the form factor of it, and I would like to replace my S5's with these if they are actually decent miners.

Well, industrial compressed air systems are excellent for taking care of dust bunnies.

Ordered one last night and it's scheduled for delivery Monday! Pretty good service!

Why do you think it will ever be Dogies review of S7 -LN ?

Yeah. The review would not be so different than with the original S7.

ordered mine friday night, Lets see how long it takes to get to Sydney Australia..

Keep us updated-  thinking about ordering one in Perth

I received mine last week and I have to say I really like that these are no where near as loud as the S7.  For that reason alone I'm thinking of ordering more after the halving.

This miner doesn't seem easy to get an ROI on considering the halving.

Yes I'm hoping that they drop the price of this soon.  None of the Bitmain miners that are for sale seem to have a good chance at ROI

Anyone underclocked one of these?

Why, I hear you say... A mate has bought one to run in his free power studio, but it is still a touch loud at night, any reports of lowest frequency is stable?

They come 600Mhz stock, and can select as low as 100Mhz, but not trying that in case of bricking it, lol

I've done extensive testing on underclocking and undervolting. Got mine to run 2TH at 20% fan and about 415W. Operating at low frequency won't really cause instability; the problems happen when you choose a frequency that is too high for the voltage (or a voltage too low for chips to operate at any frequency, since all semiconductors have a minimum operating voltage).

awesome, that sounds the ticket, do you happen to remember the frequency you used please?

he has a chart in his thread .  let me look for it.

link for you

https://bitcointalk.org/index.php?topic=1504228.msg15257433#msg15257433

The thread's linked in my signature. I'll be updating that chart with more values and stuff, and should have a hex file package and flashing instructions posted today or tomorrow. I'm kinda behind on that.

thanks  ;D


cool, NP, I got what I needed from the info there, thanks alot for your work on the thread  8)

  My browser only displays three lines of anybody's sig. Not sure why. Anyhow, the chart doesn't show temp (@PCB) and I can live with the fans volume db the way that it is. But, I'm operating in a small room that has an undersized A/C system, this unit seems to avg 49C. I'm in South Texas and its gettin' hot in here! Have you seen any reduction in unit temps at the lower frequency's?  

When I noted I could run 50C boards in a 73F ambient at 20% fan and 2TH, I was at home and running the miner overnight about five feet from my head while sleeping. A lot of the tests have been at the shop, where the ambient has run between 90F and 100F for pretty much the entire time. I'm pushing it about as hard now as I ever have (710mV 775MHz for 1018W of draw) and I'm seeing 63/65 from about 90F ambient, fans 3120/3240

All the S7 hack links are in the first line of my sig - the thread and the group buy.

All things being equal, temperature should be proportional to total power dissipation. As your power input goes down, your heat output goes down. So yes, the thing will stay cooler at lower frequencies.

I haven't found any "Halt" or "Stop" buttons in the Luci, is it "safe" to just flip the PSU power switch off when it gets too hot in my room and I need the A/C to get a chance too catch up?

I've been killing the miner by killing mains AC into the PSU. My meter box is wired with a switched outlet. I've power-cycled it probably 50 times and it's come back up every time.

I guess I kinda over worry about things, like heatsoak , from the sudden loss of fans while running heavy.

Came today as expected. Well packed in foam, all parts look brand-new. PS still had protective plastic on it.

Got it underclocked to 2.1Ghs to make it quiet and not so hot - though it was pretty quiet out of the box.

ive tested the s7 today.

My Earnings

Total HashRate   24 Hours Earnings   24 Hours Maintenance
2101 GHS             ฿ 0.00313347            ฿ 0.00156631


i like it so far. if you interested where ive made the cloudmining pm me.
regards

2.1GH/S??? I think you stopped all the ASICS but one. Good to know that the PSU'S are at least in good shape - was worried they could just go to the trash dump and find some random 87+s and put them on their miners ready to ship. Hot is something else- was it running hot at default? There's probably no space for oc then.

I guess he meant to say 2.1Th/s.

I did not even catch the 2.1Ghs. I only saw 2.1 TH/s in my mind. That is what I get for reading this stuff in the middle of the night.

Yeah, I meant 2.1Ths. Good little miner.

24 Hour Earnings: 0.00459576
35,216,384 Accepted
3 HW Errors

42 Degrees on the boards, and it's not super-heating my office. It's also sitting on the floor right next to my desk and the noise doesn't bother me at all.

I really hope that they make a S9-LN model as well!

The way it looks right now, the S7-LN is a really hot item. If they ever make an S9-LN, it'll probably be like how the S7-LN was made- right after the last few batches of S7. I think Bitmain will continue in the future with normal Sx miners and Sx-LN in the future instead of their old rackminer and U series - it's earned probably a lot more than either of those for Bitmain, and good for us too- the power supplies alone cost a ton, and the price is justifiable where you can just remove the psu when the miner's spent or you don't want to mine anymore. Great combo miner imo, better than the cheap 1 fan S7s they made.

Yeah the full S7's were too loud and drew too much power for my old house's circuits. The LN is just right for home mining, and I plan to get a few more to put in different rooms.

Would love to see an S9-LN also.

yeah I am having sidehack mod the s7-ln for me as are others.


looks very promising.

This might be covered already, but.. whats the noise levels at?

Cheers

I don't have a noise meter, so someone else will have to give you specifis. But for me, in a fairly warm house (73 in here right now) I would say it's no noisier than the small window air conditioner I have in another room.

Update: Used an app on my phone. Was getting 64-71 decibals at my desk (2 feet away) and 80 4 inches from the exhaust fan.

Anyone else notice it might be better to flip the fans around the other direction since the power supply exhaust is pointing to the front and will warm the cooler air in front of the S7-LN and be drawn back into the AntMiner?  Also is anyone pointing their S7 vertically like they did with the S5's?  If so, does it help?   Hard to believe, but I haven't been able to find one single picture or video of the rear of the S7-LN.  Anyone that has one, can you post a pic. of the rear.

Right, the picture I posted of the rear 3 pages back had the fan removed and was more showing the boards than the miner.

Can someone tell me how many 6pin connectors are needed and what psu would be good to power one of these please. Currently got a corsair cx600m running some rboxes so got three pci connectors (one a dual molex to 6pin converter).

Thanks.

There is 7 PCI-E power connectors and it is recommended to use all of them.
Three PCI-E power connectors is way too little amount.
And you would need to underclock it if you are running it with ~600W PSU.
Based on my experiences with Avalon6 you could try with 2 connectors per board and one for controller -> total of 5 PCI-E connectors and make sure that the connectors won't heat up. Just make sure that the wires are at least 16AWG.

Are you asking this because you have other plans for the Enermax Revolution 87+ 1000W PSU that comes with this?

edit: Oh, I saw your posts in sidehack's thread and realised the reason.
For his version of S7-LN Corsair CX600M would be enough but you still have quite little amount of PCI-E connectors.
5 would be great.

If you're going with my standard settings, the miner would draw at most about 430W wall. So that's no more than 400W DC, which means probably 20W controller/fans and 190W to the boards. If you've got 16AWG cabling that can be done with one cable per board, but two is better.

Thanks for the replies guys  :)

Funnily enough I bought a set of custom cables (16awg) for my old corsair rm1000 which I no longer have, so I could utilise those as im going to have to buy a new psu for it anyway due to it being shipped without one to save weight  ;)

 Hello guys, i have oder 2 s7 LN ,they are in transit,i cant wait till tomorroww :)

So it's a good thing I ordered an extra miner on the first hacked group buy. I kept one because one of the boards wouldn't run stable at or below 630mV cold, so I pushed it up to 640 and left it on my shelf. I say "good thing" partly because of that, and partly because the PSU on it started misbehaving after about two days. Now it doesn't work at all. I switched it over to my known good test S7LN and still the supply trips out as soon as it lights up.

oh okay it sounds like the two I will send to European buyers will be okay using their own supply rather then the oem.

If you need some of the supplies  you can send all three modded s-7ln's to me sans psu's.



My one  and the two for Europe without supplies.  Hold the 3 as psu's spares for  the other buyers.

    At this moment  I have  8  spare psu's  all better quality psu's  plats and tits.   ;D ;D
 Sounds wrong so make that  platinums and titaniums. ;D

Is there any way to disable the beeper if the miner loses network connectivity?

Bought myself a evga 850 p2 on your recommendation. Hooked it up the the old rboxs I've got and it's saving me 25-30w already lol. Nice bit of kit. Thanks for sending me the links philipma1957  ;D

Looks like they're finally sold out of the S7-LN.

I know! What a bummer. I was looking at picking up two more.

yeah evga makes a ton of good psu's for mining.  I am glad it is working out.

I don't see indication that it's out of stock right now.

Also, might have another lemon power supply. It was a bit sketchy and boards dropped out, but it appears to be running fine on a server 750. If so, that's 2 PSUs in 15 already. Not good odds.

I can confirm sidehack's observation regarding S7-LN availability. I started at the top, and was able to get down to the point of actually purchasing one. It still appears to be priced in USD and not BTC. Quoted price is $291 plus shipping.

A much better deal than the A6 I bought earlier this year.  :(

Speaking of "lemon power supplies"... looks like one of 'em has a fan that wants to chew itself up.

Anyone else turned their fans around (so the heated air exits forward) and can confirm a noticeable decrease in fan noise?

And speaking of lemon power supplies... another one just toasted and tripped the breaker with it. Won't even power on. I scabbed the fan from the one dead one into the other so that one's probably okay, but I'm still down at least two, maybe three.
Also when I was swapping fans I pulled a dead moth out of the one.

Thanks a friggin' lot, Bitmain.

Also judging by the state of the screws and warranty stickers, three of these PSUs had been opened before they ever got to me.

Well, we knew the PSU'S had mostly been used before they got into the miners; it wouldn't be worthwhile for them if they were completely new. They were probably repaired by Bitmain, when suddenly they had an idea to sell these worthless psus with a miner, OR they were broken and they repaired it just to sell them. These could be the PSU'S they use in their farm.
No surprise either that they seem to be priced in USD instead of BTC, they have no use for these PSUs and they'd rather just make a crappy bundle out of it.

Its clear that bitmain is only out to make a quick buck since its introduction of the S5. I've read nothing but bad news with all the S7's and now S9.  As a owner of S1,S3 and S5 and can say that their attention to detail after the S5 is questionable. Ofcourse what  happened after the S3 was they didn't care about the noise.
I now have an Avalon 6 and think people should switch.

So what does the "LN" stand for?

I assume it's for "Low Noise". Or perhaps "Last Nacho" (i.e. something related to the end of the S7 line).  :)

Aaaah that makes sense. Thanks alh

My @sidehack S7-LN arrived today, and is happily hashing away at ~2.0 TH/s and pulling ~450W at the wall using the Bitmain Enermax PSU.

Nice work @sidehack.

Cheers,

- zed

mine is at my buddies office.

the two head for europe will ship out on sat.

I am testing the Finnish one first
then the GB one second.

The stock psu is no big deal.  I suggest this one:

http://www.newegg.com/Product/Product.aspx?Item=9SIA1N83U90792&cm_re=evga_850_p2-_-17-438-056-_-Product

not cheap  look for it on sale.

Er?
I have 22 s7's starting from batch-1 of up through b18, not a bit of trouble with any of them. Ever. So far have 3 s9's running, all perform as advertised, no problems so far.

There. You have now read GOOD news on the s7 and 9's ;)

I think the stock PSU on mine is starting to go.  This past week the miner just went dead three times.  Each time the PSU was turned off.  Power cycling the unit would bring it back up for a few hours but then it would shut down again.  I down clocked it from 600 to 500 and it was stable for 24 hours at about 2.2th.  I have since upped it to 550@2.5th and knock on wood it has been running four and a half hours so far.

i call it the "little noob"  (LN)   ;D

it's little at under 3th/s and noob friendly as it's "plug and play"   ;;)

Took a week to arrive..

Batch 2 is now available from BitmainTech for $240.

Sold out

Odd, NOT FOR ME.

still sold out for me

Sold Out Now.

Hi guys,

Now ive got one of sidehacks S7LN's and would like to do balance mining across three different pools, I understand I may lose a bit of hash and errors might increase. But I cant seem to find the option on the gui. On my old S3's it had the option for Failover,Balance,Quota, but I cant seem to find this option.

Can anyone point it out or give me a way of doing this?

Thanks.

Not to worry I've managed to putty in and bring up the cgminer running (screen -r) then change the option through that. It won't be a permenant solution (won't survive reboots) but it will do for now.

Sidehack - Will u do another round of hacked S7-LN's if bitmain releases another lot??

If there's enough interest, maybe. I'm not sure there is though. The option always exists to have one direct-shipped, and I can hack it into the most efficient it'll run for a given setpoint (you decide the hashrate) and reship to you. It'd cost pretty much the same in the end.

Anyone know about the temperature reading on the miner status page? Is it PCB or chip? (I suppose it is PCB, because mine is around 50-52)

if i get one, whats is highest temp it can handle ?
can i overclock it to 700M ?

It probably wouldn't be stable at stock voltage, but with the right tools stock voltage isn't really a limitation. S7LN boards should cool more effectively than stock S7 boards so, as far as power and heat goes, 700MHz should work better on the LN if you get around the stock voltage.

hi guys

What settings do you run these miners on I have been running mine on 700M Freq mining at around 3150 Ghs temp around 55 - 60 have pushed to 725 but brought back down on warm day what temp is too hot for these? Is someone running a higher frequency?

Interested to hear the response, I've got two S7-LN that I'd like to maximize the hashrate on. They're running stock now, got another 30 days or so left of warranty before i'm ready to crank these up.

I'm going other direction: running at 450, 2025 Gh/S, drawing 525 Watts. Temps are 42/43, its quieter, and power/mining return ratio is better for me.

You know, if you undervolted that you could shave probably another 70-100W off at that speed plus undervolted like running warm for stability which means lower fan speeds.

Is there a guide for this voodoo you speak of  ;)

https://bitcointalk.org/index.php?topic=1504228.0

Requires a PIC programmer and will definitely void the warranty, but it's not difficult at all.

Dang.. Was hoping it was as simple as a firmware flash i can do from the couch haha

Bitmain built in a way to adjust voltage in software but the info on it isn't really available.

Just brought my frequency up to .725 in cooler weather is anyone running higher?

I am mining Tit coin making over 4000 tit a day you can sell this on exchange this minute for .008 btc I cant understand why more people are'nt mining it

GayEddie mining for tits. No offense meant but that's pretty funny stuff.

yeah you think there would be a dick coin out there HEHE

LMAO!!!      ;D ;D

Well,there is sexcoin  :D

https://bitcointalk.org/index.php?topic=1272422.0

I am not sure of the exchange to which you are referring, but I seriously doubt the market depth is deep enough to support you exchanging any significant amount of TIT for BTC at the quoted rate.

Last night since post in 24 hours with my 2 machines running at .725 frequency I had 4222 tit coins if I want to sell straight away on bittrex at this very second at 0.00000166 it is 0.00699100 btc


It did a peak last night



Limit Sell   0.00000222    4000.00000000    4000.00000000    0.00000221   0.00885780

Hi Bitmain,

I really appreciate your company's development of the antminer series.

However, don't you think that the newegg pricing for the s7-ln is a little high?

Compared to previous Bitmain prices for this device pre-halfing, it's almost as if you added the shipping cost to the miner price.

That's not free shipping...just the illusion of free shipping. :/

Funny that the S7-LN is available from Newegg but not direct on their own web page.  It is nice to see them branching out though.  Unfortunately you can't pay in BTC with 3rd party merchants on Newegg but I guess you could pay for these with a credit card now if you buy from Newegg.

meh. NewEgg has followed the route of Amazon and eBay by being the front-end to smaller merchants.
As for price, is about what I would expect.

Bigger point here is that it implies the s7 chips, hash boards, and controller are still in-production -- for now. Good news for folks who may need s7 board repairs. ;)

Getting 3 in the mail very soon, can someone with one at home tell me the aprox noise level ?

Is it okay for a bedroom, living room or none on those ?

I'm thinking undervolting/clocking one to 2ths for the bedroom, and the 2 other on normal setting in the living room (maybe even a slight OC).

Last, what's the recommended temps ? I'd like to switch fans to S3 fans for the underclocked one in my bedroom but wouldn't like to burn it :)

Cheers,
Q.

I find that they are pretty quiet. You could probably keep it in your living room, but it will definitely get hot. I try to keep mine at 58C because boards tend to drop out around 52C.

Did you pay $350 USD? Seems very expensive for an S7LN ?

260eur shipped each, not cheap but with vat and import taxes it's actually pretty nice. Not doing this for ROI, mostly for "free" heat and because I make enough eth to cover the loss I'm running them at :D

Any info on the temps I should run them for optimal performance ?

Cheers,
Q.

See this

https://bitcointalk.org/index.php?topic=1504228.0

Most people have issues with it running too cold and shutting off chips.

I've got two that have been modded.   They run for about a week then I lose a board.  I turn it off and then on and it  comes back for about a week.  If you're hosting them at home and keep an eye on them, then it's not much of a problem.  This happens only to the modded ones though.

in the hacking thread i posted a small script that automates this.

for the LN just change the min speed from 290000 to 190000 or so.

That is not exactly true. Both of my units are unmodded and they only last between 7 and 14 days before requiring a restart due to a board dropout.

try my script in the last page of the modding thread..
https://bitcointalk.org/index.php?topic=1504228.msg16518866#msg16518866

just change 290000 to 190000 or so.
oh also if yours isnt modded change the starting pwm to whatever you have your fans set to.. 60 or 70 should be ok. also make sure the customize fan speed box is checked for it to adjust the fans to keep the temp between 60-65.

Well, that could work.

it does, quite nice too..

the script is set to reboot the s7s every 6 hours or when a board drops out..
its also set to keep the temp between 60-65.

it also makes a log in the /config/ folder called hashcheck.txt

Is there a way to disable the beeping sound when the miner loses internet connectivity?

a little crazy-glue in the hole will quiet that piezo right up!

Where is it located?   Easy to do this?

Yeah, it's easy.  Look for something like this: http://shallowsky.com/arduino/class/buzzer.jpg on the control board.  Small drop of glue in the hole and it's nice and quiet...  well, at least the beeper will be!

Way easier than I thought.   Thank you

Any way to do it by software? (remotely)

I think the idea is that you have access to your property?

https://bitcointalk.org/index.php?topic=789369.msg16108040#msg16108040

Review beep = false

Hmm that looks like the soft way to do it. I will try it out.
Thanks!

I just purchased two of these.  I like that they run on 110v and my house uses electric heat.  My wife lets me use them since they are quiet.  :)

Question on power.  I understand the default frequency is 600 and powered via a 1,000 watt PSU.  However, when plugged into a Kill-A-Watt, in order to get it under 1,000 watts, I need to set the frequency to 450 which keeps it around 900 watts (for some safety). 

How can the default be 600 when it pulls in excesses of 1,000 watts when using the default frequency?

well let me ask you.  does your miner have two boards or three boards.

when your kwatt meter runs are 900 watts are you getting 3.6 th  hash rate.

or do you get 3.0 th hashtate..?

your numbers seem wrong.

My S7-LN has 2 boards.  PSU is a Cougar GX 1,000 Gold.  The PSU itself pulls just shy of 100 watts.

Frequency is currently set at 500 - 2.2 TH/s - Pulling 990 watts.  So the miner itself is using 890 and the PSU 100.

When I turn the frequency up to 600 I get - 2.8 TH/s - Pulling 1,200 watts.  So the miner itself is using 1,100 and the PSU 100.

I am getting very similar results on my other S7-LN.  I thought it may have been the PSU so I put an old APW3++ PSU on this unit.  Although the PSU uses more wattage, the miner is pulling similar power.