ANTMINER S2 Discussion and Support Thread

[xstr8guy]

If you split across enough pools you can't ever have bad luck.  

Well not exactly but you can reduce variance. But you also miss out on individual pool good luck streaks.

[tarmi]

If you split across enough pools you can't ever have bad luck.  

Well not exactly but you can reduce variance. But you also miss out on individual pool good luck streaks.

but you can also miss out an individual pool bad luck streaks.

[MrTeal]

If you split across enough pools you can't ever have bad luck.  

Well not exactly but you can reduce variance. But you also miss out on individual pool good luck streaks.

but you can also miss out an individual pool bad luck streaks.

The network isn't exactly a zero sum game. Every pool could have a bad luck streak at the same time, so you can't get away from it.

[smooth]

If you split across enough pools you can't ever have bad luck.  

Well not exactly but you can reduce variance. But you also miss out on individual pool good luck streaks.

but you can also miss out an individual pool bad luck streaks.

The network isn't exactly a zero sum game. Every pool could have a bad luck streak at the same time, so you can't get away from it.

True. I should have said you minimize your bad luck (and good luck as someone else pointed out)

[dogie]

If you split across enough pools you can't ever have bad luck. 

Well not exactly but you can reduce variance. But you also miss out on individual pool good luck streaks.

but you can also miss out an individual pool bad luck streaks.

The network isn't exactly a zero sum game. Every pool could have a bad luck streak at the same time, so you can't get away from it.

True. I should have said you minimize your bad luck (and good luck as someone else pointed out)

No you're not at all, you're still exposed to the same good or bad luck of mining. What you ARE reducing the exposure of is the 'bad performance' of the pool itself, ie mismanagement or issues or orphaned blocks.

[sikke]

Factory price of 1TH Dragon miner is down to 17500yuan thats roughly 2800$ ex. shipping. Discounts given to large orders. Shipping out before April. They do ship out directly i wish they would go Bitmain way and open overseas sales website, they do the shipping anyways why not do the sales.

Read with Chrome and translate.

http://www.lketc.com/goods/show-358.aspx

http://www.lketc.com/goods/35.aspx

[SVK]

Factory price of 1TH Dragon miner is down to 17500yuan thats roughly 2800$ ex. shipping. Discounts given to large orders. Shipping out before April. They do ship out directly i wish they would go Bitmain way and open overseas sales website, they do the shipping anyways why not do the sales.

Read with Chrome and translate.

http://www.lketc.com/goods/show-358.aspx

http://www.lketc.com/goods/35.aspx

Is it possible to order from them directly ?

[ajw7989]

wish these miners were more reasonably priced. Seems like a lot of money for 1th with this difficulty and once these are released the difficulty is going to start going up high again (20%+). Unless the price of bitcoin goes up quickly I do not see a value in buying these.

[xingqiaoyin]

The Israelis are going to give bitmain a run for their money:

https://bitcointalk.org/index.php?topic=521520.0

Won't ROI

The wisest comment in the page

[MoreBloodWine]

Hey Bitmain, can you please check your PM or webmaster email. Have an issue with an order I placed last night and the payment being snail mailed soto speak (slowly making it's way to the BTC address).

[Aexcu]

Can't really base this on much, as apple to apple comparison shows that no doubt BITMAIN's S2 looks to be a great box, but I can't help the feeling that re-using the 55nm chip is a bit "old tech re-factored". While one S2 will generally be more effective than equivalent GH/s of S1 AntMiners, the S2 just feels a bit pricey at the current prices due to the chosen approach and position in the newly changed market (Spondoolies "ultra cool" form factor and Chinese A1 copycat manufacturers supposedly selling 1TH/s at $3000 now).

When comparing physical density 1.25U (Spondoolies) vs. 4U (BITMAIN) the newcomer takes a clear lead, but it will be interesting to see BITMAIN's 28nm setup as it becomes available.

I'd be surprised if BITMAIN wouldn't drop the S2 price to position themselves more favourably.

[minternj]

Well they both sold out first batches.. so I guess market is still pretty good for both offerings. Why would you drop the price if demand is good?

[PurpleDino]

Well they both sold out first batches.. so I guess market is still pretty good for both offerings. Why would you drop the price if demand is good?

True that. Except a miner in May is not quite the same as one in March/April. But people will probably still buy they them since the are damn sexy. 

[dogie]

Can't really base this on much, as apple to apple comparison shows that no doubt BITMAIN's S2 looks to be a great box, but I can't help the feeling that re-using the 55nm chip is a bit "old tech re-factored". While one S2 will generally be more effective than equivalent GH/s of S1 AntMiners, the S2 just feels a bit pricey at the current prices due to the chosen approach and position in the newly changed market (Spondoolies "ultra cool" form factor and Chinese A1 copycat manufacturers supposedly selling 1TH/s at $3000 now).

When comparing physical density 1.25U (Spondoolies) vs. 4U (BITMAIN) the newcomer takes a clear lead, but it will be interesting to see BITMAIN's 28nm setup as it becomes available.

I'd be surprised if BITMAIN wouldn't drop the S2 price to position themselves more favourably.

Mature tech isn't neccesarily bad. For instance they've managed to provide a lot more chips for the same money and so are able to run them at low voltages to achieve similar W/GH as the next gen, but with the benefit of lower costs, ramped up production capacity and consistency.

[claudesdad]

Can't really base this on much, as apple to apple comparison shows that no doubt BITMAIN's S2 looks to be a great box, but I can't help the feeling that re-using the 55nm chip is a bit "old tech re-factored". While one S2 will generally be more effective than equivalent GH/s of S1 AntMiners, the S2 just feels a bit pricey at the current prices due to the chosen approach and position in the newly changed market (Spondoolies "ultra cool" form factor and Chinese A1 copycat manufacturers supposedly selling 1TH/s at $3000 now).

When comparing physical density 1.25U (Spondoolies) vs. 4U (BITMAIN) the newcomer takes a clear lead, but it will be interesting to see BITMAIN's 28nm setup as it becomes available.

I'd be surprised if BITMAIN wouldn't drop the S2 price to position themselves more favourably.

Mature tech isn't neccesarily bad. For instance they've managed to provide a lot more chips for the same money and so are able to run them at low voltages to achieve similar W/GH as the next gen, but with the benefit of lower costs, ramped up production capacity and consistency.

Seems like lower cost is a major winner - unless you're paying for hosting costs and rack "U" space.  Running something at home - I'd rather see less expensive and less noisy.  If the Bitmain unit takes up a few more U in my rack - and is quiet and I can't hear it all over the house - AND it's cheaper - then that will be a major deciding factor.

[Rishodi]

Regarding the PSU, I contacted Enermax to inquire about the ERV1000EWT-G. I asked:

(1) What is the expected MTBF for this PSU if placed under a 85% or 90% load continuously?
(2) What is the maximum recommended continuous load for this PSU?

This is the response I received:

1.     We do not have figures for MTBF at 85% or 90% load, but similar calculations show that at 100% load, the MTBF will be 42% less than in 70% load.

2.     1000W.  Yet please note that the best efficiency of this power supply is at 350~600W load range.  If system is constantly run at 800~1000W, we recommended to use 1500W PSU for best power consumption consideration.

Of course, the one caveat is that I do not know for sure that this is the exact model of PSU being used in the S2.

[Soros Shorts]

Does anyone still have any unresolved (paid immediately but expired) S2 orders made through the web site?

[Rock6.3]

Does anyone still have any unresolved (paid immediately but expired) S2 orders made through the web site?

That is normal for this seller.

[smooth]

I couldn't give a rats ass about nanometers or "sexy" miners (seriously you guys need to get out more). All I care about is price, delivery, reliability, hash rate, and power usage.

[googlemaster1]

Does anyone still have any unresolved (paid immediately but expired) S2 orders made through the web site?

Not S2, but S1's yes.