[Reward FOR answers] 50TH S1 Farm - page 3.

philipma1957

legendary

Activity: 4326

Merit: 8950

'The right to privacy matters'

Quote from: Trends on May 08, 2014, 07:43:07 PM

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

member

Activity: 119

Merit: 10

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

legendary

Activity: 4326

Merit: 8950

'The right to privacy matters'

Quote from: BTCBuyer on May 08, 2014, 06:18:35 PM

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.

southerngentuk

sr. member

Activity: 1316

Merit: 254

Sugars.zone | DatingFi - Earn for Posting

Quote from: daddyfatsax on May 08, 2014, 06:23:09 PM

Quote from: BTCBuyer on May 08, 2014, 06:18:35 PM

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://bitcointalksearch.org/topic/for-sale-d750-750w-server-psu-breakout-boards-503423

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

teeGUMES

legendary

Activity: 1253

Merit: 1203

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.

BTCBuyer

full member

Activity: 177

Merit: 100

Quote from: daddyfatsax on May 08, 2014, 06:23:09 PM

Quote from: BTCBuyer on May 08, 2014, 06:18:35 PM

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://bitcointalksearch.org/topic/for-sale-d750-750w-server-psu-breakout-boards-503423

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.

daddyfatsax

hero member

Activity: 857

Merit: 1000

Anger is a gift.

Quote from: BTCBuyer on May 08, 2014, 06:18:35 PM

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://bitcointalksearch.org/topic/for-sale-d750-750w-server-psu-breakout-boards-503423

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

BTCBuyer

full member

Activity: 177

Merit: 100

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?

Gator-hex

hero member

Activity: 490

Merit: 500

Quote from: BTCBuyer on May 08, 2014, 06:00:57 PM

Quote from: Gator-hex on May 08, 2014, 05:37:51 PM

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.

Minor Miner

legendary

Activity: 2478

Merit: 1020

Be A Digital Miner

Quote from: BTCBuyer on May 08, 2014, 06:00:57 PM

Quote from: Gator-hex on May 08, 2014, 05:37:51 PM

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.

RoadStress

legendary

Activity: 1904

Merit: 1007

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

BTCBuyer

full member

Activity: 177

Merit: 100

Quote from: Gator-hex on May 08, 2014, 05:37:51 PM

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.

Gator-hex

hero member

Activity: 490

Merit: 500

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.

DPoS

sr. member

Activity: 462

Merit: 250

Quote from: BTCBuyer on May 08, 2014, 05:28:31 PM

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?

BTCBuyer

full member

Activity: 177

Merit: 100

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

Topic: [Reward FOR answers] 50TH S1 Farm - page 3. (Read 3067 times)