ANTMINER S7 is available at bitmaintech.com with 4.86TH/s, 0.25J/GH

[opentoe]

guys I know its frustrating to order and then the price drops, but welcome to Bitmaintech I suppose.  I recommend only ordering what ships RIGHT AWAY, everything else is pre-order and the price is bound to change for the best or the worse.

You mean "welcome to Bitcoin".

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[opentoe]

I bought Batch 1 S7's and yes, buying BTC would have been a better investment. But i had the BTC not the fiat. However:

1. Bitcoin would be worthless if noone "mines it" and processes the transactions. This also applies to the pools mining blocks and including no transactions.

2. I have not had to turn on my furnace yet this year, buying BTC would not keep my house warm. (Last couple of days it has been in the 30's F here and the house @ 75+F with a couple windows partially open.

I hope noone takes this the wrong way. I mostly am trying to make myself feel better about spending 8+ BTC on something selling for 2.4 BTC only 4 months later.

I will most likely be ordering another S7 soon. 

LOL.  I've calculated it over and over again hundreds of times since they announced the price of the batch 1 S7 and in like 90% of the models it just doesn't make sense to buy a S7 for me.  Even now at BTC2.4 it still doesn't make financial sense to get one but damn it I ordered one anyway and I'm still considering getting another one as well! 

I'll never understand this. There's actually proof you will lose money or not make it back and people still literally throw money out the door. If you really have an urge to knowingly lose money I can give you my mailing address. Send me a check.

[generalt]

It has been such a rat race I've pretty much gave up on keeping exact track on my balances. More or less a hobby, but having lots of buys like this has been nice. I bought my first Bitcoins for under $20 when there weren't any public facing sites out there. I still visit the deep web. Way before kiddy sites like Coinbase ever existed. I may sell 5 or 6 perfectly running S5's, but I'm pretty cheap these days. I'd want a favorable offer. I'd even throw in a couple ATX power supplies. I thought there would be a buy/sell area in the mining area but can't seem to find it.

Try posting here https://bitcointalk.org/index.php?board=75.0

[opentoe]

It has been such a rat race I've pretty much gave up on keeping exact track on my balances. More or less a hobby, but having lots of buys like this has been nice. I bought my first Bitcoins for under $20 when there weren't any public facing sites out there. I still visit the deep web. Way before kiddy sites like Coinbase ever existed. I may sell 5 or 6 perfectly running S5's, but I'm pretty cheap these days. I'd want a favorable offer. I'd even throw in a couple ATX power supplies. I thought there would be a buy/sell area in the mining area but can't seem to find it.

Try posting here https://bitcointalk.org/index.php?board=75.0

Sounds so weird. "Computer Hardware". Maybe when the new forum comes around, if it ever does they will re-organize some of these areas. Perfect place to buy/sell mining hardware would be a sub-forum in the mining forum area. That's where I was looking, thanks.

[IITravel01]

Set up my first S7 B9 (or B8 if they're the same) with the preinstalled 03 December 2015 firmware and a EVGA 1600w T2 (Titanium) power supply.  I asked earlier what the settings should be if I wanted the draw at the wall 1,250watts max.  Here's what I've found on 230v.  Freq. 606.25M and fans at 32% (3,120rpm fan 01 and 3,000rpm fan 03).  Ambient room temp. about 70 degrees F.  S7 temps showing 61 degrees C.  Kill-A-Watt showing 1,249 watts at the wall on 230v (this includes a NZXT Sentry LX fan controller and 5 additional case fans which uses about 20-25w).  Getting above 4,080+ GH/S(avg) at 0.0000% HW errors so far.  I don't condone setting the fans so low, just posting this to show what kind of wattage the S7 pulls at the wall at these settings.  Dropping to 600M cuts about 14watts (4,020 GH/S).

Does anyone know the Delta model number of the fan?  Want to find out what the CFM is at 3,000 rpm.  Has anyone tried to switch the fans like we were doing with the S3+ with the Silverstone FHP141 that moved 171 CFM at 2,000rpm?  http://www.silverstonetek.com/product.php?pid=366&area=en

[PPOC]

Set up my first S7 B9 (or B8 if they're the same) with the preinstalled 03 December 2015 firmware and a EVGA 1600w T2 (Titanium) power supply.  I asked earlier what the settings should be if I wanted the draw at the wall 1,250watts max.  Here's what I've found on 230v.  Freq. 606.25M and fans at 32% (3,120rpm fan 01 and 3,000rpm fan 03).  Ambient room temp. about 70 degrees F.  S7 temps showing 61 degrees C.  Kill-A-Watt showing 1,249 watts at the wall on 230v (this includes a fan controller and 5 additional case fans which uses about 20w).  Getting above 4,080+ GH/S(avg) at 0.0000% HW errors so far.  I don't condone setting the fans so low, just posting this to show what kind of wattage the S7 pulls at the wall at these settings.  Dropping to 600M cuts about 14watts.

Why not run the fans at 32%? I have 3 4.66 units, 2 running at 28% fan and 1 at 32% fan in basement which is 67-69 degrees. All 3 are exhaling into my forced hot air house heating system with fan running 24x7. All 3 units are running 49-55c OC'ed to 600 and getting 4,850Ghz hash using 1218 watts. I'm using 3 EVGA 1300 G2's, one for each miner and 1 CX750M for the 3 controllers. Have had this setup for 2 months now with no issues. The HVAC does a good job sucking all the hot air and circulating throughout my house, minimal heating from gas furnace required, maybe 2-4 hours per week that my furnace is on. I've had the internet go out a couple times and no issues with heat, most of the time they recover once ISP is back but I still soft reboot them. So just wanted to see what issues running the fan at 28-32 % might cause.

http://imgur.com/gallery/TGg4fRS

[generalt]

Why not run the fans at 32%? I have 3 4.66 units, 2 running at 28% fan and 1 at 32% fan in basement which is 67-69 degrees. All 3 are exhaling into my forced hot air house heating system with fan running 24x7. All 3 units are running 49-55c OC'ed to 600 and getting 4,850Ghz hash. I'm using 3 EVGA 1300 G2's, one for each miner and 1 CX750M for the 3 controllers. Have had this setup for 2 months now now with no issues. The HVAC does a good job sucking all the hot air and circulating throughout my house, minimal heating from GAS required, maybe 2-4 hours per week that my furnace is on. I've had the internet do out a couple times and no issues with heat, most of the tim they recover once ISP is back but I still soft reboot them.

http://imgur.com/gallery/TGg4fRS

Do you have your EVGA 1300 G2's stacked on top of each other?  Don't they have fans on the top of them or am I just seeing it wrong?

Edit:  NVM I see now one faces left one faces right and the third just sits on top.

[PPOC]

Why not run the fans at 32%? I have 3 4.66 units, 2 running at 28% fan and 1 at 32% fan in basement which is 67-69 degrees. All 3 are exhaling into my forced hot air house heating system with fan running 24x7. All 3 units are running 49-55c OC'ed to 600 and getting 4,850Ghz hash. I'm using 3 EVGA 1300 G2's, one for each miner and 1 CX750M for the 3 controllers. Have had this setup for 2 months now now with no issues. The HVAC does a good job sucking all the hot air and circulating throughout my house, minimal heating from GAS required, maybe 2-4 hours per week that my furnace is on. I've had the internet do out a couple times and no issues with heat, most of the tim they recover once ISP is back but I still soft reboot them.

http://imgur.com/gallery/TGg4fRS

Do you have your EVGA 1300 G2's stacked on top of each other?  Don't they have fans on the top of them or am I just seeing it wrong?

2 are end to end with fans on opposing sides and 3rd one is on top, so 2 are vertical and 1 horizontal.

[opentoe]

Set up my first S7 B9 (or B8 if they're the same) with the preinstalled 03 December 2015 firmware and a EVGA 1600w T2 (Titanium) power supply.  I asked earlier what the settings should be if I wanted the draw at the wall 1,250watts max.  Here's what I've found on 230v.  Freq. 606.25M and fans at 32% (3,120rpm fan 01 and 3,000rpm fan 03).  Ambient room temp. about 70 degrees F.  S7 temps showing 61 degrees C.  Kill-A-Watt showing 1,249 watts at the wall on 230v (this includes a NZXT Sentry LX fan controller and 5 additional case fans which uses about 20-25w).  Getting above 4,080+ GH/S(avg) at 0.0000% HW errors so far.  I don't condone setting the fans so low, just posting this to show what kind of wattage the S7 pulls at the wall at these settings.  Dropping to 600M cuts about 14watts (4,020 GH/S).

Does anyone know the make and model number of the fan?  Want to find out what the CFM is at 3,000 rpm.  Has anyone tried to switch the fans like we were doing with the S3+ with the Silverstone FHP141 that moved 171 CFM at 2,000rpm?  http://www.silverstonetek.com/product.php?pid=366&area=en

I believe these are the stock fans. These babies use 39 watts. Jet Blasters. For the size of the fan, they sure do move lots of air. I'm a big Noctua believer, but when Jet Blasters are installed no need to worry at all about temperatures.


http://www.nidecpg.com/fanpdfs/va450dcf.pdf

[PPOC]

Why not run the fans at 32%? I have 3 4.66 units, 2 running at 28% fan and 1 at 32% fan in basement which is 67-69 degrees. All 3 are exhaling into my forced hot air house heating system with fan running 24x7. All 3 units are running 49-55c OC'ed to 600 and getting 4,850Ghz hash. I'm using 3 EVGA 1300 G2's, one for each miner and 1 CX750M for the 3 controllers. Have had this setup for 2 months now now with no issues. The HVAC does a good job sucking all the hot air and circulating throughout my house, minimal heating from GAS required, maybe 2-4 hours per week that my furnace is on. I've had the internet do out a couple times and no issues with heat, most of the tim they recover once ISP is back but I still soft reboot them.

http://imgur.com/gallery/TGg4fRS

Do you have your EVGA 1300 G2's stacked on top of each other?  Don't they have fans on the top of them or am I just seeing it wrong?

Edit:  NVM I see now one faces left one faces right and the third just sits on top.

Also note that the 4.66 batch OC'ed to 600 is same as 4.86 batches on hash rate and uses 1218 watts.

[Biodom]

Set up my first S7 B9 (or B8 if they're the same) with the preinstalled 03 December 2015 firmware and a EVGA 1600w T2 (Titanium) power supply.  I asked earlier what the settings should be if I wanted the draw at the wall 1,250watts max.  Here's what I've found on 230v.  Freq. 606.25M and fans at 32% (3,120rpm fan 01 and 3,000rpm fan 03).  Ambient room temp. about 70 degrees F.  S7 temps showing 61 degrees C.  Kill-A-Watt showing 1,249 watts at the wall on 230v (this includes a fan controller and 5 additional case fans which uses about 20w).  Getting above 4,080+ GH/S(avg) at 0.0000% HW errors so far.  I don't condone setting the fans so low, just posting this to show what kind of wattage the S7 pulls at the wall at these settings.  Dropping to 600M cuts about 14watts.

Why not run the fans at 32%? I have 3 4.66 units, 2 running at 28% fan and 1 at 32% fan in basement which is 67-69 degrees. All 3 are exhaling into my forced hot air house heating system with fan running 24x7. All 3 units are running 49-55c OC'ed to 600 and getting 4,850Ghz hash using 1220 watts. I'm using 3 EVGA 1300 G2's, one for each miner and 1 CX750M for the 3 controllers. Have had this setup for 2 months now with no issues. The HVAC does a good job sucking all the hot air and circulating throughout my house, minimal heating from gas furnace required, maybe 2-4 hours per week that my furnace is on. I've had the internet go out a couple times and no issues with heat, most of the time they recover once ISP is back but I still soft reboot them. So just wanted to see what issues running the fan at 28-32 % might cause.

http://imgur.com/gallery/TGg4fRS

Great setup as far as % utilization and using them to heat the house, but that little CX750 is unnecessary because EVGA1300 could handle 1220+some wattage for controller (is it 50 or so) just fine.
Not sure how you did it since CX750 has just two double PCIE cords . Did you use extenders or somehow put S7 in opposite direction to bring two controllers close?
EDIT: looked at the picture-they are stacked, but not sure.
Plus, EVGA has only 8 connectors, so you probably got at least one splitter/extender on EVGA as well. Just saying.

[IITravel01]

Set up my first S7 B9 (or B8 if they're the same) with the preinstalled 03 December 2015 firmware and a EVGA 1600w T2 (Titanium) power supply.  I asked earlier what the settings should be if I wanted the draw at the wall 1,250watts max.  Here's what I've found on 230v.  Freq. 606.25M and fans at 32% (3,120rpm fan 01 and 3,000rpm fan 03).  Ambient room temp. about 70 degrees F.  S7 temps showing 61 degrees C.  Kill-A-Watt showing 1,249 watts at the wall on 230v (this includes a NZXT Sentry LX fan controller and 5 additional case fans which uses about 20-25w).  Getting above 4,080+ GH/S(avg) at 0.0000% HW errors so far.  I don't condone setting the fans so low, just posting this to show what kind of wattage the S7 pulls at the wall at these settings.  Dropping to 600M cuts about 14watts (4,020 GH/S).

Does anyone know the make and model number of the fan?  Want to find out what the CFM is at 3,000 rpm.  Has anyone tried to switch the fans like we were doing with the S3+ with the Silverstone FHP141 that moved 171 CFM at 2,000rpm?  http://www.silverstonetek.com/product.php?pid=366&area=en

I believe these are the stock fans. These babies use 39 watts. Jet Blasters. For the size of the fan, they sure do move lots of air. I'm a big Noctua believer, but when Jet Blasters are installed no need to worry at all about temperatures.


http://www.nidecpg.com/fanpdfs/va450dcf.pdf

I don't think that's the correct fan.  That's a 5,300rpm (3.3A) fan and I believe the ones that come with the S7 are 4,450rpm (1.8A or 2.0A)?

[PPOC]

Set up my first S7 B9 (or B8 if they're the same) with the preinstalled 03 December 2015 firmware and a EVGA 1600w T2 (Titanium) power supply.  I asked earlier what the settings should be if I wanted the draw at the wall 1,250watts max.  Here's what I've found on 230v.  Freq. 606.25M and fans at 32% (3,120rpm fan 01 and 3,000rpm fan 03).  Ambient room temp. about 70 degrees F.  S7 temps showing 61 degrees C.  Kill-A-Watt showing 1,249 watts at the wall on 230v (this includes a fan controller and 5 additional case fans which uses about 20w).  Getting above 4,080+ GH/S(avg) at 0.0000% HW errors so far.  I don't condone setting the fans so low, just posting this to show what kind of wattage the S7 pulls at the wall at these settings.  Dropping to 600M cuts about 14watts.

Why not run the fans at 32%? I have 3 4.66 units, 2 running at 28% fan and 1 at 32% fan in basement which is 67-69 degrees. All 3 are exhaling into my forced hot air house heating system with fan running 24x7. All 3 units are running 49-55c OC'ed to 600 and getting 4,850Ghz hash using 1220 watts. I'm using 3 EVGA 1300 G2's, one for each miner and 1 CX750M for the 3 controllers. Have had this setup for 2 months now with no issues. The HVAC does a good job sucking all the hot air and circulating throughout my house, minimal heating from gas furnace required, maybe 2-4 hours per week that my furnace is on. I've had the internet go out a couple times and no issues with heat, most of the time they recover once ISP is back but I still soft reboot them. So just wanted to see what issues running the fan at 28-32 % might cause.

http://imgur.com/gallery/TGg4fRS

Great setup as far as % utilization and using them to heat the house, but that little CX750 is unnecessary because EVGA1300 could handle 1220+some wattage for controller (is it 50 or so) just fine.
Not sure how you did it since CX750 has just two double PCIE cords . Did you use extenders or somehow put S7 in opposite direction to bring two controllers close?
EDIT: looked at the picture-they are stacked, but not sure.
Plus, EVGA has only 8 connectors, so you probably got at least one splitter/extender on EVGA as well. Just saying.

Well, the EVGA has 6 PCie ports and 6 cables which 2 are doubles for a total of 8, need 9. Getting 3 more double end cables but for now using the 750 for the controllers. The 750 has 2 ports and using 2 double PCIe cables so that gets me 4 connections. Just long enough to reach between the miners stacked, really don't have 1mm to spare.

[ZACHM]

I bought Batch 1 S7's and yes, buying BTC would have been a better investment. But i had the BTC not the fiat. However:

1. Bitcoin would be worthless if noone "mines it" and processes the transactions. This also applies to the pools mining blocks and including no transactions.

2. I have not had to turn on my furnace yet this year, buying BTC would not keep my house warm. (Last couple of days it has been in the 30's F here and the house @ 75+F with a couple windows partially open.

I hope noone takes this the wrong way. I mostly am trying to make myself feel better about spending 8+ BTC on something selling for 2.4 BTC only 4 months later.

I will most likely be ordering another S7 soon. 

LOL.  I've calculated it over and over again hundreds of times since they announced the price of the batch 1 S7 and in like 90% of the models it just doesn't make sense to buy a S7 for me.  Even now at BTC2.4 it still doesn't make financial sense to get one but damn it I ordered one anyway and I'm still considering getting another one as well! 

I'll never understand this. There's actually proof you will lose money or not make it back and people still literally throw money out the door. If you really have an urge to knowingly lose money I can give you my mailing address. Send me a check.

If I send you a check instead, I won't be able to hear my "heaters" running in the basement. 

[Romanko]

Had anyone troubles with mining with s7 on f2 pool.?
Looks like their hash rate is not stable and gives out 2-3 TH on 80% of observed units (b7).
Only few from 10 work as promised.
But When working on antpool they all hash 4,8 TH.

[PPOC]

Had anyone troubles with mining with s7 on f2 pool.?
Looks like their hash rate is not stable and gives out 2-3 TH on 80% of observed units (b7).
Only few from 10 work as promised.
But When working on antpool they all hash 4,8 TH.

I guess the question is why would you be mining on F2 and Ant? Supporting the Chinese that don't care about the future of BTC and already own more then 70% of the world hash. So many better pools to pick from.

[Prelude]

Had anyone troubles with mining with s7 on f2 pool.?
Looks like their hash rate is not stable and gives out 2-3 TH on 80% of observed units (b7).
Only few from 10 work as promised.
But When working on antpool they all hash 4,8 TH.

Don't mine on that garbage Chinese pool. Literally anything would be better than f2pool. (except other Chinese pools like antpool)

[philipma1957]

Had anyone troubles with mining with s7 on f2 pool.?
Looks like their hash rate is not stable and gives out 2-3 TH on 80% of observed units (b7).
Only few from 10 work as promised.
But When working on antpool they all hash 4,8 TH.

I guess the question is why would you be mining on F2 and Ant? Supporting the Chinese that don't care about the future of BTC and already own more then 70% of the world hash. So many better pools to pick from.

 Most big pool miners do not want the variance risk.  On smaller pools.  Sad as they cause the problem and do not realize it.
I support a lot of small pools and  when I look at the math of :

https://bitcointalk.org/index.php?topic=789369.0 just up to 12ph
https://www.kano.is/
stratum+tcp://stratum.kano.is:3333

https://bitcointalk.org/index.php?topic=559011.0  lucky to get 100th
http://mmpool.org/
stratum+tcp://mmpool.org:3333


https://bitcointalk.org/index.php?topic=1330452.0  stays under 1ph most of the time
http://www.bravo-mining.com/
stratum.bravo-mining.com:3333


all pay better then antpool or f2pool.  but not enough people mine  at them.

They simply do not understand math .

Sounds hard core but it is true.

Now I have 1 s-7  it mines at f2pool inside of my friends old bank.  He still leases 1 floor and I am teaching the game to him in case he decides to   go large in Washington state with a few investors.  Maybe 10ph in gear.  I know they won't want to go to a smaller pool as they do not want variance. So I am showing him why I would use a pool like Kano's  for now we are pointing where he wants which is f2pool.

   I hope to get him to move it to kano.is this thursday.

[PPOC]

Had anyone troubles with mining with s7 on f2 pool.?
Looks like their hash rate is not stable and gives out 2-3 TH on 80% of observed units (b7).
Only few from 10 work as promised.
But When working on antpool they all hash 4,8 TH.

I guess the question is why would you be mining on F2 and Ant? Supporting the Chinese that don't care about the future of BTC and already own more then 70% of the world hash. So many better pools to pick from.

 Most big pool miners do not want the variance risk.  On smaller pools.  Sad as they cause the problem and do not realize it.
I support a lot of small pools and  when I look at the math of :

https://bitcointalk.org/index.php?topic=789369.0 just up to 12ph
https://www.kano.is/
stratum+tcp://stratum.kano.is:3333

https://bitcointalk.org/index.php?topic=559011.0  lucky to get 100th
http://mmpool.org/
stratum+tcp://mmpool.org:3333


https://bitcointalk.org/index.php?topic=1330452.0  stays under 1ph most of the time
http://www.bravo-mining.com/
stratum.bravo-mining.com:3333


all pay better then antpool or f2pool.  but not enough people mine  at them.

They simply do not understand math .

Sounds hard core but it is true.

Now I have 1 s-7  it mines at f2pool inside of my friends old bank.  He still leases 1 floor and I am teaching the game to him in case he decides to   go large in Washington state with a few investors.  Maybe 10ph in gear.  I know they won't want to go to a smaller pool as they do not want variance. So I am showing him why I would use a pool like Kano's  for now we are pointing where he wants which is f2pool.

   I hope to get him to move it to kano.is this thursday.

Very true and sad, on a daily basis yes the variance is higher but over 15-30 days not so much, if you are running 10PH or more, then every point matters and getting PPS less 4% sucks, just to get the same payout daily? Over 30 days you would be 101% or more on Kano. If these big guys were on Kano for the last 70 weeks, they would be at 103.9%. For every 10+PH miner that moves to Kano or other small pool, the variance reduces. F2 and Ant can't come close to block change times and thats an advantage Kano and Solo have over all others.

[Biodom]

Had anyone troubles with mining with s7 on f2 pool.?
Looks like their hash rate is not stable and gives out 2-3 TH on 80% of observed units (b7).
Only few from 10 work as promised.
But When working on antpool they all hash 4,8 TH.

I guess the question is why would you be mining on F2 and Ant? Supporting the Chinese that don't care about the future of BTC and already own more then 70% of the world hash. So many better pools to pick from.

 Most big pool miners do not want the variance risk.  On smaller pools.  Sad as they cause the problem and do not realize it.
I support a lot of small pools and  when I look at the math of :

https://bitcointalk.org/index.php?topic=789369.0 just up to 12ph
https://www.kano.is/
stratum+tcp://stratum.kano.is:3333

https://bitcointalk.org/index.php?topic=559011.0  lucky to get 100th
http://mmpool.org/
stratum+tcp://mmpool.org:3333


https://bitcointalk.org/index.php?topic=1330452.0  stays under 1ph most of the time
http://www.bravo-mining.com/
stratum.bravo-mining.com:3333


all pay better then antpool or f2pool.  but not enough people mine  at them.

They simply do not understand math .

Sounds hard core but it is true.

Now I have 1 s-7  it mines at f2pool inside of my friends old bank.  He still leases 1 floor and I am teaching the game to him in case he decides to   go large in Washington state with a few investors.  Maybe 10ph in gear.  I know they won't want to go to a smaller pool as they do not want variance. So I am showing him why I would use a pool like Kano's  for now we are pointing where he wants which is f2pool.

   I hope to get him to move it to kano.is this thursday.

Very true and sad, on a daily basis yes the variance is higher but over 15-30 days not so much, if you are running 10PH or more, then every point matters and getting PPS less 4% sucks, just to get the same payout daily? Over 30 days you would be 101% or more on Kano. If these big guys were on Kano for the last 70 weeks, they would be at 103.9%. For every 10+PH miner that moves to Kano or other small pool, the variance reduces. F2 and Ant can't come close to block change times and thats an advantage Kano and Solo have over all others.

with all due respect, it is nothing that it s a guarantee of some sort that you will score above or even 100% at that pool going forward.
In fact, if it was above 100% for a while, one would think that at some point it will be below 100% for a while as well.
Of course, with a higher hashing in the pool, variance will decrease.