Best PSU for handling 2 Quadro K6000s

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Best PSU for handling 2 Quadro K6000s

Postposted on Thu Oct 10, 2013 12:58 pm

I'll be getting 2 of these: Quadro K6000 graphics cards, and I'm wondering which of these PSUs might be best at handling them (and why):


Rosewill 1600W Intel Haswell Ready 80 Plus Silver Modular Gaming Power Supply HERCULES-1600

LEPA G Series 1600-Watts ATX12V/EPS12V SLI Ready Crossfire 80 Plus Gold Certified Full Modular 240-Pin 1700 Power Supply (G1600-MA)

Coolmax 1600-Watts 80 PLUS Power Supply with Active PFC, Silver ZPS-1600B

----

Rosewill 1300W 80 PLUS GOLD Certified Power Supply LIGHTNING-1300

EVGA SuperNOVA 1300G2 ATX12V/EPS12V 1300W 80Plus Gold Power Supply 120-G2-1300-XR


THANKS!!
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Re: Best PSU for handling 2 Quadro K6000s

Postposted on Thu Oct 10, 2013 1:45 pm

The K6000 is a GK110 - basically a cherry-picked Titan so you don't need a stupidly high-powered PSU.

Each card draws 225W, so you should probably be looking at something higher-quality but lower-wattage - like this 860W 80+ platinum model from Seasonic.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151111

Unless you're running a dual-socket motherboard with a pair of 130W Xeons in it as well, there's really no need to go beyond 1000W for a system that is only going to peak at 600W.
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Re: Best PSU for handling 2 Quadro K6000s

Postposted on Fri Oct 11, 2013 9:22 am

This PSU Calculator included the Titan and K5000. You can enter the system config into that and it will spit you out a recommended PSU wattage. I'd probably plug in 30% capacitor ageing to be on the safe side. I'd imagine you're looking at a ~1000W PSU requirement. Given the fact that you're talking about $10,000 worth of GPU, don't cheap out. 80 Plus Platinum or Gold is recommended.

This Enermax Platimax 1000W is probably the best on the market. (This Seasonic unit would be a equally suited alternative) Sure, it's expensive, but it's only 2.5% the cost of your GPUs. Think about a gaming PC that might have a $250 GPU and a $60 PSU (on the cheap side)....that's a 25% ratio.

Here's a helpful list of PSU manufacturers and the OEM units they use.
Last edited by DPete27 on Fri Oct 11, 2013 12:30 pm, edited 2 times in total.
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Re: Best PSU for handling 2 Quadro K6000s

Postposted on Fri Oct 11, 2013 11:37 am

Yep, I use that calc too, it's great :)
850W for two titans and a single CPU, 1000W for a dual-socket CPU as well.
Given the cost of the K6000s an 80+ Platinum seems like the minimum option.

My rule of thumb for PSU calculations gives strikingly similar results to that Tt one (for whatever reasons):
  • Add the TDP of the CPU(s) and GPU(s)
  • multiply by 1.5x for a standard system.
  • multiply by 2x for air-cooled overclocking .
  • multiply by 2.5x for watercooled, upper-limit craziness.
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Re: Best PSU for handling 2 Quadro K6000s

Postposted on Tue Oct 29, 2013 7:10 pm

Greetings, BrightSide:

Would you pretty pretty pretty please run folding for a few days on that dual K6000 rig with advanced options turned on and tell us your benchmarks for x17 work units?

I am very interested to know the folding capabilities of this card, and running two of them in a fairly strong machine would be fascinating to know how they perform.
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Re: Best PSU for handling 2 Quadro K6000s

Postposted on Tue Oct 29, 2013 7:18 pm

Chrispy_ wrote:Yep, I use that calc too, it's great :)
850W for two titans and a single CPU, 1000W for a dual-socket CPU as well.
Given the cost of the K6000s an 80+ Platinum seems like the minimum option.

My rule of thumb for PSU calculations gives strikingly similar results to that Tt one (for whatever reasons):
  • Add the TDP of the CPU(s) and GPU(s)
  • multiply by 1.5x for a standard system.
  • multiply by 2x for air-cooled overclocking .
  • multiply by 2.5x for watercooled, upper-limit craziness.


I like the way you lay that out. Nice and clean, without having to immediately explain Electricity 101 to people challenged by power supply selection :).

And yeah, I think he'd be fine in the 750W-850W range, to be safe, too.
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Re: Best PSU for handling 2 Quadro K6000s

Postposted on Sat Nov 16, 2013 1:26 am

If you're spending $10,000 on two GPU's, you should probably get a good redundant PSU setup, with a REALLY nice UPS, on whatever you're putting them into.

Seasonic and Delta make the best "normal" PSU's. A Seasonic X Series or a Delta(a lot of the Antec High Current Gamer series are Delta) are good to get.

Here's the best resource I know for PSU reviews.

http://www.realhardtechx.com/index_archivos/Page541.htm


http://www.newegg.com/Product/Product.a ... gnorebbr=1 That's one of the best normal PSU's out there.

http://www.newegg.com/Product/Product.a ... gnorebbr=1 And one of those would be good too.
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Re: Best PSU for handling 2 Quadro K6000s

Postposted on Sat Nov 16, 2013 2:05 am

BlackDove wrote:If you're spending $10,000 on two GPU's, you should probably get a good redundant PSU setup, with a REALLY nice UPS, on whatever you're putting them into.

This.

What kind of deal are you getting or are they from work?
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