[Reward FOR answers] 50TH S1 Farm

[BTCBuyer]

Hi Everyone,


I am setting up a 50TH S1 Farm

Those of you with experience on setting up larger S1 FARMS, are there anything I should be aware of?

I read that you can use server power supplies as they are cheaper, but it looks like there's quite a bit of work behind setting up the PSU for 278 machines.

What would be the most cost efficient PSU setup? What type of networking Issues should I be aware of? What is the most efficient set up? How would you deal with airflow and heat?

What is the best type of RACK to set up on?

I look forward to all your experiences, creative solutions, and help.


BTCBuyer

[DPoS]

Hi Everyone,


I am setting up a 50TH S1 Farm

Those of you with experience on setting up larger S1 FARMS, are there anything I should be aware of?

I read that you can use server power supplies as they are cheaper, but it looks like there's quite a bit of work behind setting up the PSU for 278 machines.

What would be the most cost efficient PSU setup? What type of networking Issues should I be aware of? What is the most efficient set up? How would you deal with airflow and heat?

What is the best type of RACK to set up on?

I look forward to all your experiences, creative solutions, and help.


BTCBuyer

why are you doing this without knowing or hiring someone who does know?

[Gator-hex]

At 2W/GH you realize how big your electricity bill will be right?

What is the cost kWh in the location you are settings up?

278 S1 Ants x 180GH x 2W = 100,080W

Standard home user rate of 15c kWh = 100kW x 24hrs x $0.15 = $360 per day or $10,800 per month.

Buying the 1W/GH S2 would probably pay for itself pretty quickly with half the power cost and it will be a lot easier to deal with half the heat.

[BTCBuyer]

At 2W/GH you realize how big your electricity bill will be right?

What is the cost kWh in the location you are settings up?

278 S1 Ants x 180GH x 2W = 100,080W

Standard home user rate of 15c kWh = 100kW x 24hrs x $0.15 = $360 per day or $10,800 per month.

Buying the 1W/GH S2 would probably pay for itself pretty quickly with half the power cost and it will be a lot easier to deal with half the heat.

This is really only a little hobby, and project for me. I have access to cheap power, 7.5c per kWh and a large warehouse. I figure since I have the space and capacity, the only thing left is cheaper PSU, any suggestions?

I have read about using the dell server PSU, but there seems to be a lot of work with getting them to work.

[RoadStress]

I know that you are interested in answers for your 50TH S1 farm, but I would advise you to buy SP10s units instead. My group buy has the lowest $/GH with best density. You only need 33 SP10 units and each unit is 1.25U in size

[Minor Miner]

At 2W/GH you realize how big your electricity bill will be right?

What is the cost kWh in the location you are settings up?

278 S1 Ants x 180GH x 2W = 100,080W

Standard home user rate of 15c kWh = 100kW x 24hrs x $0.15 = $360 per day or $10,800 per month.

Buying the 1W/GH S2 would probably pay for itself pretty quickly with half the power cost and it will be a lot easier to deal with half the heat.

This is really only a little hobby, and project for me. I have access to cheap power, 7.5c per kWh and a large warehouse. I figure since I have the space and capacity, the only thing left is cheaper PSU, any suggestions?

I have read about using the dell server PSU, but there seems to be a lot of work with getting them to work.

I am not sure you understand how electricity works.
So you are going to have 130 PSU that will need to be 1,000W minimum.   What are you plugging them into?
The PSUs are not your problem, the heat may not even be your problem if the warehouse is large enough and the air cool enough.
You should start with 30 and see how you doing just powering the PSUs up.    You need to be learning about transformers as you seem to think you could just get 130 "plugs" and this would work.

[Gator-hex]

At 2W/GH you realize how big your electricity bill will be right?

What is the cost kWh in the location you are settings up?

278 S1 Ants x 180GH x 2W = 100,080W

Standard home user rate of 15c kWh = 100kW x 24hrs x $0.15 = $360 per day or $10,800 per month.

Buying the 1W/GH S2 would probably pay for itself pretty quickly with half the power cost and it will be a lot easier to deal with half the heat.

This is really only a little hobby, and project for me. I have access to cheap power, 7.5c per kWh and a large warehouse. I figure since I have the space and capacity, the only thing left is cheaper PSU, any suggestions?

I have read about using the dell server PSU, but there seems to be a lot of work with getting them to work.

I find the 1300W EVGA SuperNOVA G2 offer the best price per watt, 92% efficient, and it's rock solid with a 10 year warranty.

It can power 3x S1 Ants easy, even overclocked.

[BTCBuyer]

I read the dell Server PSU are the best.

To clarify, I have 400Amps, There's more than enough juice to run 100,000watts.

Is it hard to convert the 750W Dell PSU to run S1s?

[daddyfatsax]

I read the dell Server PSU are the best.

To clarify, I have 400Amps, There's more than enough juice to run 100,000watts.

Is it hard to convert the 750W Dell PSU to run S1s?

https://bitcointalk.org/index.php?topic=503423.0

You can buy just the breakout boards or the whole kit with everything. I have one of these and it works great.

[BTCBuyer]

I read the dell Server PSU are the best.

To clarify, I have 400Amps, There's more than enough juice to run 100,000watts.

Is it hard to convert the 750W Dell PSU to run S1s?

https://bitcointalk.org/index.php?topic=503423.0

You can buy just the breakout boards or the whole kit with everything. I have one of these and it works great.

Awesome, I will look into this.

[teeGUMES]

in an old groupbuy thread i ran across a link to these racks- https://openrigs.com/

was going to look into dimensions and such to see if theyd be suitable for my S1's but then stopped at 6 S1's so i decided it was unneccesary. Seem fairly affordable and modification ready. Then again, if it were a warehouse id just get my old man to bring over some old cinderblocks and planks haha.

[southerngentuk]

I read the dell Server PSU are the best.

To clarify, I have 400Amps, There's more than enough juice to run 100,000watts.

Is it hard to convert the 750W Dell PSU to run S1s?

https://bitcointalk.org/index.php?topic=503423.0

You can buy just the breakout boards or the whole kit with everything. I have one of these and it works great.

I hand soldered the main terminals on mine and made up some links and resistor packs with jumper cables for the control pins.

In quantity I could probably do them in 10 mins a PSU.

They are loud though.

Good Luck

[philipma1957]

I read the dell Server PSU are the best.

To clarify, I have 400Amps, There's more than enough juice to run 100,000watts.

Is it hard to convert the 750W Dell PSU to run S1s?

 don't go with the dells for a giant setup. (have had the dells and I use the evga's now)

Gator-rex is steering you correctly.

if you are real you want the evga super nova 1300.

 runs 3 overclocked 10 year warranty and cost is 195   that is 66 dollars a s-1.

two of these are 388 usd that is 6  s-1's units.    

three  dells will not over clock 6 s-1's safely .   Shock Hazard  fire hazard   not much resale value.


tell you what get 2 evga 1300's and setup 6 s-1's  over clocked to 393 or 387 freq.   get 3 dell and try to do 6 s-1's over clocked.


here is a link for the evga's

http://www.rakuten.com/prod/evga-supernova-1300-g2-1300w-power-supply-110-v-ac-220-v-ac-input/249973555.html

next you need a lot of switches.  get one of these to start

http://www.rakuten.com/prod/tp-link-tl-sg1016-10-100-1000mbps-16-port-gigabit-19-inch/213928097.html

that lets you do 1 in 15 out or 15 s-1's


oh you need two internet lines not one if you go over 250 or 256.

a router taps out at  amax of 256 including the router     192.168.0.   1- 256     these 1-256 are the most you can do on 1 router.

with that many machine 278 you want a second fan on every one  here is a link to the delta

i used  http://www.ebay.com/itm/151276722479?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649


mount this fan with 4 pipe cleaners and 4 nylon nuts to allow the fan blades to clear.

[Trends]

Consider going with a few High current DC power supplies. For each 25kw (~1500A at 12-14Vdc) your 3 phase ac load would be ~ 90A at 208Vac.
Do the calculation for the S1's and your existing warehouse load to see if your 400A service will be enough.
Then consider running this power thru combiners and recombiners to safetly get fused power to each S1 (picture a solar farm running backwards with the S1's being the solar modules).

Going to cost but you must have the BTC.

[philipma1957]

Consider going with a few High current DC power supplies. For each 25kw (~1500A at 12-14Vdc) your 3 phase ac load would be ~ 90A at 208Vac.
Do the calculation for the S1's and your existing warehouse load to see if your 400A service will be enough.
Then consider running this power thru combiners and recombiners to safetly get fused power to each S1 (picture a solar farm running backwards with the S1's being the solar modules).

Going to cost but you must have the BTC.

don't know enough about your idea to vote on it.
do you have any photos?

here is how I power the second fan




a miner with 2 fans and a psu attached

[Trends]

No I don't have any Pictures, I'll leave that to the OP to research if he understands the concept! if not he should hire a EE or a good electrician

[philipma1957]

 Thanks trends    I think your idea has merit if the op has the correct people set it up.


To the op these miners are better off side by side on a solid surface in long rows.  think lunch room tables.

when the miner is side by side to a second miner they make a wind tunnel so ten side by side have  only 2 blades not in a wind tunnel the left and right ends do not get a wind tunnel effect every other blade in the long row best the wind tunnel.  the solid surface  also helps that tunnel effect.

I will take a shot of a very small s-1 farm to show what I mean

the center blades  have a wind tunnel


ten in a row with the psu out of the way would be ideal

[Trends]

Well 50th is not a toy farm

[philipma1957]

Well 50th is not a toy farm

I wish I had a space to run 100 or so.

 2  more  shots  four more  powered by an evga 1300 and a sea sonic 1000




these have the two fans  each.
One is  stock and the second is the delta running flat out.  you always want the pull fan running faster then the push fan.

  they run loud but cool in the garage.
 The  solid shelf with all four  stacked side by side with the double fan creates powerful wind tunnels. I did find there is a ton of heat above the row of s-1s a fan above would help to cool the gear down

[kendog77]

I read the dell Server PSU are the best.

To clarify, I have 400Amps, There's more than enough juice to run 100,000watts.

Is it hard to convert the 750W Dell PSU to run S1s?

400 amps is not enough to run 100 kW

Only 80% is useable, which means this is the max:
400A * .8 * 240V = 76.8 kW
400A * .8 * 208V = 66.5 kW