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Author Topic: AvalonMiner 921 released - 20 TH/s @ 1800W  (Read 1137 times)
minefarmbuy
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October 14, 2018, 07:38:28 PM
 #41

Low power is fine if it's more efficient, correct?

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philipma1957
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October 14, 2018, 07:46:12 PM
 #42

Low power is fine if it's more efficient, correct?

yes it is.  in fact I would love a 800 watt 12th miner

if the A911 is close to this I will get one and review it.

In my house which can use heating from now until may

an a911 using 800 watts and doing 12th would be nice.

@HagssFin
As for A911 as a native New Yorker that lost a relative firefighter on 911 maybe I would dedicate this to him.

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October 14, 2018, 07:53:24 PM
 #43

Sounds truly like a nice idea, I agree that there is also the tribute side in the name.

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October 14, 2018, 09:16:41 PM
 #44

I don't know why Canaan insists on this side bullshit.  We don't care about a lower power unit, that's what a 841 is for.  We want the 30th at 2000watts unit like was mentioned before this came out, efficiency is better than just lower power usage what the hell.

Well luckily for us home miners they are bringing that efficiency out in smaller models as well.  

I'd love to throw a couple of these beasty 2000w+ units in my garage year round, it's not as easy to move them into the house in winter to offset my heating bill.

Now I'm eagerly awaiting both announcements. Considering the only other company that announced something like this is looking more like vaporware every day, all eyes are back on Canaan for me atm.

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October 15, 2018, 02:36:52 PM
 #45

From what I heard the hashrate of Avalon A911 is 18TH/s @ 1440Watt.

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October 15, 2018, 02:50:14 PM
 #46

From what I heard the hashrate of Avalon A911 is 18TH/s @ 1440Watt.
So the selling point for the 911 will be it using a longitudinal fan that should be fairly quiet (eg aimed at home use) like the old BM R4's?

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philipma1957
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October 15, 2018, 02:54:12 PM
 #47

So the selling point for the 911 will be it using a longitudinal fan that should be fairly quiet (eg aimed at home use) like the old BM R4's?

Well if it is like the R4 that was pretty quiet when downclocked just a bit.

But 1440 watts and 18000gh is 80 watts th.

I hope with a down clock it can do under 80 watts a th.

I contacted Steve of canaan.io to get a FEW A911'S

I WILL POST BACK.

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October 15, 2018, 04:54:08 PM
 #48

Low power makes sense for not just home but all miners. If any line can only take x "powerful" units, compared to 2*x "low power" units it's increased sales and farm are happy with full racks. Although the efficiencies need be there. The A911 sounds great still lot's will be waiting on the 941 release.

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October 15, 2018, 10:20:19 PM
 #49

Low power makes sense for not just home but all miners. If any line can only take x "powerful" units, compared to 2*x "low power" units it's increased sales and farm are happy with full racks. Although the efficiencies need be there. The A911 sounds great still lot's will be waiting on the 941 release.

A lot depends on its down clock ability.

the 841  was great to down clock and you could increase efficiency at low settings

the 851 was great to upclock its best efficiency was at full speed.

so if the A911 is tweaked like the A841  it will be good to down clock

if the A911 is tweaked like the A851 it will be good to up clock

common sense   says to tweak it like the A841.

I am eagerly awaiting a reply from Steve of Cannan to see if they have some for me.

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minefarmbuy
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October 15, 2018, 10:49:42 PM
 #50

A bit of speculation, I suppose we need pre threads to discuss new model's then move them from speculation to hardware?

Personally I think Canaan is still refining their 7nm chip and we won't see a 941 till Q1 not that in this market is terrible at all. Maybe I'm wrong.

911 is cool, I welcome anything Canaan has. But as a home miner we want our power paid for. Which can be hard at $0.12kwh or more for most. Essentially your looking at a base of $60 profit monthly to cover an average homes power costs. Which is not an easy feat right now, then to ensure it's sustained with diff even more cumbersome.

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October 17, 2018, 04:22:19 PM
 #51

From what I heard the hashrate of Avalon A911 is 18TH/s @ 1440Watt.

Good source, specs are confirmed.
https://twitter.com/CanaanInc1/status/1052482268634144768
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October 17, 2018, 07:05:50 PM
 #52

Question is, do they run on 220 only or 110 too?
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October 19, 2018, 10:54:41 AM
 #53

Question is, do they run on 220 only or 110 too?

Safer to operate at 220V. Most P/S operate on 110V/220V but may not have enough power available at 110V. Also efficiency is degraded at low voltage input.

Winter heater is coming
https://twitter.com/CanaanInc1/status/1053120892249694210
philipma1957
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October 19, 2018, 11:43:28 AM
 #54

Safer to operate at 220V. Most P/S operate on 110V/220V but may not have enough power available at 110V. Also efficiency is degraded at low voltage input.

Winter heater is coming
https://twitter.com/CanaanInc1/status/1053120892249694210

not on the website

and I also asked about the A911  also not available.

So Late October may not be realistic for this gear.  BTW it was 3c this morning or 37f I could use a quiet efficient heater.

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October 19, 2018, 04:32:23 PM
 #55

So Late October may not be realistic for this gear.  BTW it was 3c this morning or 37f I could use a quiet efficient heater.

lol it is never that cold here - we might hit 30's F once or twice a year.

if this comes out at 18th at 1440 - that would be a bit more effecient than all my s9's are - but depending on price will determine if it really is worth getting - at least that is my opinion. After all, if the unit costs 3-4 times what an s9 costs (I can get s9's delivered with PSU for $508 each) at 1500 to 2000 per A911, it would be cheaper to just get s9's and hit the roi hopefully sooner.

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minefarmbuy
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October 19, 2018, 08:23:10 PM
 #56

if the 921 is priced at $742/unit this shouldn't breach the 1k mark at all. Canaan is smarter than that.

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October 19, 2018, 08:25:45 PM
 #57

The A921 was listed in the Canaan.io webshop,
but I noticed that it has now suddenly disappeared.

minefarmbuy
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October 19, 2018, 08:29:57 PM
 #58

There is still stock of 921,  at least that what we were told earlier this week. Looks like Canaan is finally cleaning up their web shop a little. Still no PSU from them for the A921.

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October 20, 2018, 04:47:51 AM
 #59

if the 921 is priced at $742/unit this shouldn't breach the 1k mark at all. Canaan is smarter than that.

nope - that would be a great price range. twice the price of an s9 should be the limit, higher price but better hash rate and efficiency should bring it close.

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