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Author Topic: [Antminer S1 Sales open] Price changes daily, now 0.414 BTC for 180GH/s  (Read 346282 times)
xstr8guy
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May 27, 2014, 07:38:21 AM
 #5681

One more S1 for sale, 0.01BTC, pm me if interested thanks

You must mean that you have a coupon for sale at that price? Not an S1 for 0.01BTC.
Schinder75
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May 27, 2014, 08:15:19 AM
 #5682

Hi,

Anyone has 2 * S1 coupons for me? I will give the receiving new coupons for free back to community.

Bitmain Name : btcminer

Thanks a lot!
philipma1957
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May 27, 2014, 12:36:36 PM
 #5683

So does anyone have some information to share about underclocking?

I had a scary moment today when my main circuit breaker tripped. I'm running a large number of miners including 3 S1's. I underclocked everything I could to prevent it from happening again.

I changed my S1's from 375 to 325. I dropped from 190GHs to 166GHs which is fine by me. This isn't about the extra pennies I'm losing by not overclocking. This is about power efficiency and waste heat generation.

Does anyone have stats comparing watt usage for 375 to 325? Is there even more significant efficiency to gain by going lower?



I run mine underclocked (for efficiency due to electricity costs). I get 150GH/S per ~200w @ 300, rather than 180GH/S for 380w. I essentially went through the same process described in the link pvnamk19 posted above.

So you had to do the pencil mod to get to 200w? I'm not really interested in going to those lengths to undervolt. I'm only wanting to underclock. Sorry, I didn't read the entire thread so maybe my scenario was addressed there.


no pencil mod means 2 watts per hash.  so a 350 clock gets about  180 gh and around 360 watts with a plat psu

a 300 clock gets about 150 gh and around 300 watts

a 275 clock gets about 140 gh and around  280 watts


 but read below:

please get a fucking pencil  lightly  stroke each of the 8 resistors  2 times  do not measure the ohms takes 2 minutes.  

set the clock at 300  and see what the results are. about 150 gh and 200 watts is pretty much what happened for me,  it is easy to do this.
below one at stock volts and 393 freq gets me 200gh and 406 watts

and one at undervolts   275 freq gets me 140gh and 201 watts




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.
 MΞTAWIN  THE FIRST WEB3 CASINO   
.
.. PLAY NOW ..
Biodom
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May 27, 2014, 01:32:55 PM
Last edit: May 27, 2014, 04:38:38 PM by Biodom
 #5684

So does anyone have some information to share about underclocking?

I had a scary moment today when my main circuit breaker tripped. I'm running a large number of miners including 3 S1's. I underclocked everything I could to prevent it from happening again.

I changed my S1's from 375 to 325. I dropped from 190GHs to 166GHs which is fine by me. This isn't about the extra pennies I'm losing by not overclocking. This is about power efficiency and waste heat generation.

Does anyone have stats comparing watt usage for 375 to 325? Is there even more significant efficiency to gain by going lower?



I run mine underclocked (for efficiency due to electricity costs). I get 150GH/S per ~200w @ 300, rather than 180GH/S for 380w. I essentially went through the same process described in the link pvnamk19 posted above.

So you had to do the pencil mod to get to 200w? I'm not really interested in going to those lengths to undervolt. I'm only wanting to underclock. Sorry, I didn't read the entire thread so maybe my scenario was addressed there.


no pencil mod means 2 watts per hash.  so a 350 clock gets about  180 gh and around 360 watts with a plat psu

a 300 clock gets about 150 gh and around 300 watts

a 275 clock gets about 140 gh and around  280 watts


 but read below:

please get a fucking pencil  lightly  stroke each of the 8 resistors  2 times  do not measure the ohms takes 2 minutes.  

set the clock at 300  and see what the results are. about 150 gh and 200 watts is pretty much what happened for me,  it is easy to do this.
below one at stock volts and 393 freq gets me 200gh and 406 watts

and one at undervolts   275 freq gets me 140gh and 201 watts


I am thinking about undervolting, got myself the HB pencil, but the resistor that you supposed to touch is so tiny and there is another object nearby (C10). How you were even able to do it reliably? magnifying glass workstation? i think that you supposed to use the multimeter (ohm meter) as well.
Schinder75
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May 27, 2014, 01:50:13 PM
 #5685

Anyone has 2 coupon left for 2 S1?

PM me please.

Thanks
bitcanada
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May 27, 2014, 05:10:50 PM
 #5686

Anyone got S1 coupons? I am trying to get back in the business, and will kindly give back my coupons once I place the order! Cheers!

My bitmain user is also bitcanada!
Codemeister
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May 27, 2014, 05:15:20 PM
 #5687

Still have 2x S1 0.05 coupons available for 0.01 each.
PM if interested.
Biodom
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May 27, 2014, 05:30:26 PM
 #5688

Does anybody know if 90 day warranty is transferable to a new owner?
philipma1957
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May 27, 2014, 06:03:35 PM
 #5689

So does anyone have some information to share about underclocking?

I had a scary moment today when my main circuit breaker tripped. I'm running a large number of miners including 3 S1's. I underclocked everything I could to prevent it from happening again.

I changed my S1's from 375 to 325. I dropped from 190GHs to 166GHs which is fine by me. This isn't about the extra pennies I'm losing by not overclocking. This is about power efficiency and waste heat generation.

Does anyone have stats comparing watt usage for 375 to 325? Is there even more significant efficiency to gain by going lower?



I run mine underclocked (for efficiency due to electricity costs). I get 150GH/S per ~200w @ 300, rather than 180GH/S for 380w. I essentially went through the same process described in the link pvnamk19 posted above.

So you had to do the pencil mod to get to 200w? I'm not really interested in going to those lengths to undervolt. I'm only wanting to underclock. Sorry, I didn't read the entire thread so maybe my scenario was addressed there.


no pencil mod means 2 watts per hash.  so a 350 clock gets about  180 gh and around 360 watts with a plat psu

a 300 clock gets about 150 gh and around 300 watts

a 275 clock gets about 140 gh and around  280 watts


 but read below:

please get a fucking pencil  lightly  stroke each of the 8 resistors  2 times  do not measure the ohms takes 2 minutes.  

set the clock at 300  and see what the results are. about 150 gh and 200 watts is pretty much what happened for me,  it is easy to do this.
below one at stock volts and 393 freq gets me 200gh and 406 watts

and one at undervolts   275 freq gets me 140gh and 201 watts


I am thinking about undervolting, got myself the HB pencil, but the resistor that you supposed to touch is so tiny and there is another object nearby (C10). How you were even able to do it reliably? magnifying glass workstation? i think that you supposed to use the multimeter (ohm meter) as well.


I have 3 running on an evga 1300 supernova  psu  about 420 gh pulling 563 watts  at the k-a-watt plug  that is 1.34 watts a hash.



I can't tell you how easy it is. I have had cataract eye surgery in each eye and I can do it in 5 minutes

 I used a number 6 pencil   on one mod and a number 2 pencil on the second mod.

I deliberatively   was sloppy on getting perfect ohm measurements after the mods.

I have an hi-end  meter all resistors read  4.46 or 4.47 k ohm before the mods.

   I allowed the resistors to range between 2.4 k ohm and 3.3 k ohm  after the mod .

The key is your ssh.    you may want :

250  freq
275  freq
300  freq

if you fucked the resistors up a lot you get x's on your asic's  just go to a lower freq.

  I stroked the resistors in 1 direction away from the one next to it and towards the empty space. I used  a magnify glass on a stand


 http://www.amazon.com/Carson-DeskBrite-Illuminated-Magnifier-LM-20/dp/B003EW1ZNC/ref=sr_1_4?ie=UTF8&qid=1401213622&sr=8-4&keywords=magnifying+glass+stand

the photo below is with the glass.


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▀██████████████████▀
▀███████████████▀
▀▀███████▀▀
.
 MΞTAWIN  THE FIRST WEB3 CASINO   
.
.. PLAY NOW ..
Timmmaahh
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May 27, 2014, 07:15:07 PM
 #5690

S1 and S2 coupon to give away for a little tip Smiley
PM me

Crowdfund a students life: 1MxQX4MsF3N3oGpawfgM72K5vzEPeLjTyR
mackie
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May 27, 2014, 07:29:01 PM
 #5691

Sorry if the question has been asked before already, I was wondering what determines which coupons you get?

Biodom
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May 27, 2014, 07:31:48 PM
 #5692

So does anyone have some information to share about underclocking?

I had a scary moment today when my main circuit breaker tripped. I'm running a large number of miners including 3 S1's. I underclocked everything I could to prevent it from happening again.

I changed my S1's from 375 to 325. I dropped from 190GHs to 166GHs which is fine by me. This isn't about the extra pennies I'm losing by not overclocking. This is about power efficiency and waste heat generation.

Does anyone have stats comparing watt usage for 375 to 325? Is there even more significant efficiency to gain by going lower?



I run mine underclocked (for efficiency due to electricity costs). I get 150GH/S per ~200w @ 300, rather than 180GH/S for 380w. I essentially went through the same process described in the link pvnamk19 posted above.

So you had to do the pencil mod to get to 200w? I'm not really interested in going to those lengths to undervolt. I'm only wanting to underclock. Sorry, I didn't read the entire thread so maybe my scenario was addressed there.


no pencil mod means 2 watts per hash.  so a 350 clock gets about  180 gh and around 360 watts with a plat psu

a 300 clock gets about 150 gh and around 300 watts

a 275 clock gets about 140 gh and around  280 watts


 but read below:

please get a fucking pencil  lightly  stroke each of the 8 resistors  2 times  do not measure the ohms takes 2 minutes.  

set the clock at 300  and see what the results are. about 150 gh and 200 watts is pretty much what happened for me,  it is easy to do this.
below one at stock volts and 393 freq gets me 200gh and 406 watts

and one at undervolts   275 freq gets me 140gh and 201 watts


I am thinking about undervolting, got myself the HB pencil, but the resistor that you supposed to touch is so tiny and there is another object nearby (C10). How you were even able to do it reliably? magnifying glass workstation? i think that you supposed to use the multimeter (ohm meter) as well.


I have 3 running on an evga 1300 supernova  psu  about 420 gh pulling 563 watts  at the k-a-watt plug  that is 1.34 watts a hash.



I can't tell you how easy it is. I have had cataract eye surgery in each eye and I can do it in 5 minutes

 I used a number 6 pencil   on one mod and a number 2 pencil on the second mod.

I deliberatively   was sloppy on getting perfect ohm measurements after the mods.

I have an hi-end  meter all resistors read  4.46 or 4.47 k ohm before the mods.

   I allowed the resistors to range between 2.4 k ohm and 3.3 k ohm  after the mod .

The key is your ssh.    you may want :

250  freq
275  freq
300  freq

if you fucked the resistors up a lot you get x's on your asic's  just go to a lower freq.

  I stroked the resistors in 1 direction away from the one next to it and towards the empty space. I used  a magnify glass on a stand


 http://www.amazon.com/Carson-DeskBrite-Illuminated-Magnifier-LM-20/dp/B003EW1ZNC/ref=sr_1_4?ie=UTF8&qid=1401213622&sr=8-4&keywords=magnifying+glass+stand

the photo below is with the glass.


Thank you very much for the instruction and link. I'll give it a shot-it's getting close to "real" summer season here and i want to reduce power use.
I am getting addicted to S1 ants  Smiley. Basically holding myself not to order a couple more.
philipma1957
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May 27, 2014, 08:00:06 PM
 #5693

So does anyone have some information to share about underclocking?

I had a scary moment today when my main circuit breaker tripped. I'm running a large number of miners including 3 S1's. I underclocked everything I could to prevent it from happening again.

I changed my S1's from 375 to 325. I dropped from 190GHs to 166GHs which is fine by me. This isn't about the extra pennies I'm losing by not overclocking. This is about power efficiency and waste heat generation.

Does anyone have stats comparing watt usage for 375 to 325? Is there even more significant efficiency to gain by going lower?



I run mine underclocked (for efficiency due to electricity costs). I get 150GH/S per ~200w @ 300, rather than 180GH/S for 380w. I essentially went through the same process described in the link pvnamk19 posted above.

So you had to do the pencil mod to get to 200w? I'm not really interested in going to those lengths to undervolt. I'm only wanting to underclock. Sorry, I didn't read the entire thread so maybe my scenario was addressed there.


no pencil mod means 2 watts per hash.  so a 350 clock gets about  180 gh and around 360 watts with a plat psu

a 300 clock gets about 150 gh and around 300 watts

a 275 clock gets about 140 gh and around  280 watts


 but read below:

please get a fucking pencil  lightly  stroke each of the 8 resistors  2 times  do not measure the ohms takes 2 minutes.  

set the clock at 300  and see what the results are. about 150 gh and 200 watts is pretty much what happened for me,  it is easy to do this.
below one at stock volts and 393 freq gets me 200gh and 406 watts

and one at undervolts   275 freq gets me 140gh and 201 watts


I am thinking about undervolting, got myself the HB pencil, but the resistor that you supposed to touch is so tiny and there is another object nearby (C10). How you were even able to do it reliably? magnifying glass workstation? i think that you supposed to use the multimeter (ohm meter) as well.


I have 3 running on an evga 1300 supernova  psu  about 420 gh pulling 563 watts  at the k-a-watt plug  that is 1.34 watts a hash.



I can't tell you how easy it is. I have had cataract eye surgery in each eye and I can do it in 5 minutes

 I used a number 6 pencil   on one mod and a number 2 pencil on the second mod.

I deliberatively   was sloppy on getting perfect ohm measurements after the mods.

I have an hi-end  meter all resistors read  4.46 or 4.47 k ohm before the mods.

   I allowed the resistors to range between 2.4 k ohm and 3.3 k ohm  after the mod .

The key is your ssh.    you may want :

250  freq
275  freq
300  freq

if you fucked the resistors up a lot you get x's on your asic's  just go to a lower freq.

  I stroked the resistors in 1 direction away from the one next to it and towards the empty space. I used  a magnify glass on a stand


 http://www.amazon.com/Carson-DeskBrite-Illuminated-Magnifier-LM-20/dp/B003EW1ZNC/ref=sr_1_4?ie=UTF8&qid=1401213622&sr=8-4&keywords=magnifying+glass+stand

the photo below is with the glass.


Thank you very much for the instruction and link. I'll give it a shot-it's getting close to "real" summer season here and i want to reduce power use.
I am getting addicted to S1 ants  Smiley. Basically holding myself not to order a couple more.

yeah right now.  I have one on the way.  and I can order 2 more.

my friends office space will end up with 4 units he has 3 now   doing the  420th and the 563 watts.  he shares his building space with four people  and they spilt the power bill 4 ways.
 For years he got the short end of the stick as he used very little power.  the four units will do around 750 watts and 560 gh.  but he will pay ¼ of the bill  so these 4 units are like getting 190 watts to run 560 gh.

 we should still be making money on these in NOV. 


the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

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▀██████████████████▀
▀███████████████▀
▀▀███████▀▀
.
 MΞTAWIN  THE FIRST WEB3 CASINO   
.
.. PLAY NOW ..
nottm28
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May 27, 2014, 08:11:26 PM
 #5694

the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

One of my S1s came with a broken fan, I replaced it with a push/pull pair of Corsair AF120 performance edition fans (30db) and I must say that that miner runs at the best hash rate 205.6 and the lowest temp - by 3-4 degress, and is by far the quietest - over the others. £25 for the pair. Bitmain promised to ship a replacement fan with my next order.


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philipma1957
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May 27, 2014, 08:35:01 PM
 #5695

the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

One of my S1s came with a broken fan, I replaced it with a push/pull pair of Corsair AF120 performance edition fans (30db) and I must say that that miner runs at the best hash rate 205.6 and the lowest temp - by 3-4 degress, and is by far the quietest - over the others. £25 for the pair. Bitmain promised to ship a replacement fan with my next order.



thanks.  If I see them on sale here I will grab some.

I have found that on my over clocking the gear has been pretty loud.

but on my under clocking  I have a corsair vortex and I have the stock fan.  the stock fan runs under 1500 rpm and it is quiet .

but testing new fans is cool with me.

▄▄███████▄▄
▄██████████████▄
▄██████████████████▄
▄████▀▀▀▀███▀▀▀▀█████▄
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▀██████████████████▀
▀███████████████▀
▀▀███████▀▀
.
 MΞTAWIN  THE FIRST WEB3 CASINO   
.
.. PLAY NOW ..
nottm28
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May 27, 2014, 08:41:21 PM
 #5696

the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

One of my S1s came with a broken fan, I replaced it with a push/pull pair of Corsair AF120 performance edition fans (30db) and I must say that that miner runs at the best hash rate 205.6 and the lowest temp - by 3-4 degress, and is by far the quietest - over the others. £25 for the pair. Bitmain promised to ship a replacement fan with my next order.



thanks.  If I see them on sale here I will grab some.

I have found that on my over clocking the gear has been pretty loud.

but on my under clocking  I have a corsair vortex and I have the stock fan.  the stock fan runs under 1500 rpm and it is quiet .

but testing new fans is cool with me.

I dont really get the underclocking stuff if I'm honest Phil, I need to max the income from these things before they become useless... Happy to be enlightened however...

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Biodom
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May 27, 2014, 08:53:32 PM
 #5697

the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

One of my S1s came with a broken fan, I replaced it with a push/pull pair of Corsair AF120 performance edition fans (30db) and I must say that that miner runs at the best hash rate 205.6 and the lowest temp - by 3-4 degress, and is by far the quietest - over the others. £25 for the pair. Bitmain promised to ship a replacement fan with my next order.



thanks.  If I see them on sale here I will grab some.

I have found that on my over clocking the gear has been pretty loud.

but on my under clocking  I have a corsair vortex and I have the stock fan.  the stock fan runs under 1500 rpm and it is quiet .

but testing new fans is cool with me.

I dont really get the underclocking stuff if I'm honest Phil, I need to max the income from these things before they become useless... Happy to be enlightened however...

Undeclocking, or undervolting is actually very interesting and is probably a must in places where energy is at $0.3/kwh and above. Plus, units might last longer. i think the strategy might be to run at stock speed or overclocked to whatever level your ants are comfortable with (one of my units cannot go above 350mhz, one 375 and three 393). After that-either continue as before or reduce speed and enjoy profits for longer, perhaps.
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May 27, 2014, 09:00:57 PM
 #5698

the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

One of my S1s came with a broken fan, I replaced it with a push/pull pair of Corsair AF120 performance edition fans (30db) and I must say that that miner runs at the best hash rate 205.6 and the lowest temp - by 3-4 degress, and is by far the quietest - over the others. £25 for the pair. Bitmain promised to ship a replacement fan with my next order.



thanks.  If I see them on sale here I will grab some.

I have found that on my over clocking the gear has been pretty loud.

but on my under clocking  I have a corsair vortex and I have the stock fan.  the stock fan runs under 1500 rpm and it is quiet .

but testing new fans is cool with me.

I dont really get the underclocking stuff if I'm honest Phil, I need to max the income from these things before they become useless... Happy to be enlightened however...
 

Some of us have run into heat issues or power availability wall or prefer quiet miners.

stock ants would give 2.1th using 4200w of power and a lot of power supplies - 11.6 ants
undervolted has a nice balance at 2.1th and 3000w  using only three enermax power supplies - 14 ants

you can also safely run 6 ants - 900gh off 1 - 125v outlet

How is that Lexical analysis working out bickneleski?
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May 27, 2014, 09:17:18 PM
 #5699

the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

One of my S1s came with a broken fan, I replaced it with a push/pull pair of Corsair AF120 performance edition fans (30db) and I must say that that miner runs at the best hash rate 205.6 and the lowest temp - by 3-4 degress, and is by far the quietest - over the others. £25 for the pair. Bitmain promised to ship a replacement fan with my next order.



thanks.  If I see them on sale here I will grab some.

I have found that on my over clocking the gear has been pretty loud.

but on my under clocking  I have a corsair vortex and I have the stock fan.  the stock fan runs under 1500 rpm and it is quiet .

but testing new fans is cool with me.

I dont really get the underclocking stuff if I'm honest Phil, I need to max the income from these things before they become useless... Happy to be enlightened however...

If you're looking for inexpensive high quality power supplies for your S1 check out this thread.  You can get your power supply costs down to $35 or less per S1.

https://bitcointalk.org/index.php?topic=622783.0
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May 27, 2014, 11:25:43 PM
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the only restriction is I have to stay under 800 watts. I have to make them run quietly.   they do run pretty quiet .  I think I will order 2 more s-1's today or tomorrow

One of my S1s came with a broken fan, I replaced it with a push/pull pair of Corsair AF120 performance edition fans (30db) and I must say that that miner runs at the best hash rate 205.6 and the lowest temp - by 3-4 degress, and is by far the quietest - over the others. £25 for the pair. Bitmain promised to ship a replacement fan with my next order.



thanks.  If I see them on sale here I will grab some.

I have found that on my over clocking the gear has been pretty loud.

but on my under clocking  I have a corsair vortex and I have the stock fan.  the stock fan runs under 1500 rpm and it is quiet .

but testing new fans is cool with me.

I dont really get the underclocking stuff if I'm honest Phil, I need to max the income from these things before they become useless... Happy to be enlightened however...

Okay  underclocking works in my case  because i can run 4 ants at 140gh = 560gh   and pull 760watts.

they are quiet.   they run in an office space..

I have 2 limits  

1)  800 watts  is the max I am allowed to use.

2) they must be quiet  

So running 4 units at that office gets me 1) 760 watts 2) quiet  

power costs 4 cents a k-watt.  If I ran 2 units at 393 freq   I would get 400gh and 800 watts and really loud.

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In my house I run at 393 freq  200gh  hot and loud

Most people will not need to undervolt or underclock  until diff reaches 20-25    diff is at 10.5.

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