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1000w enough for 4x 6970? - Page 3

post #21 of 40
Quote:
Originally Posted by iRaiden View Post
Good luck finding it in stock.

And if you do, have fun overpaying.
Same price here, less slots, less powerdraw...

I know there would be a slight decrease in performance, but the difference in scaling over quadfire 4x cards and quadfire 2x cards would be negliable.
post #22 of 40
Thread Starter 
Quote:
Originally Posted by badatgames18 View Post
probably depending on the total watt consumption of the cpu, and what other peripherals you have

it seems at peak the 6970s consume 550w


and here is what a seasonic x650 can do before shutting down:
http://www.hardwaresecrets.com/artic...y-Review/837/8

so at 793W (max output before shutting down) and in AC power of 943W it's still 84% efficient

however it won't last long if you run it at that spec for a prolonged period of time
Thank you.

+rep, exactly what I was looking for.
post #23 of 40
Quote:
Originally Posted by stinky View Post
Yea my vote is the Silverstone Strider 1500W. That thing can run ANYTHING!!!
Just ordered mine should be here Monday

On topic, if you're going to spend that much on GPUs and other system components it would well be worth your money to get a quality PSU. A crap PSU because you couldn't afford to shell out the extra $100 could ruin your system.

Spend the extra money, it will be worth it. Yes I wasn't to thrilled about dropping $375 on something that literally gives me no performance boost, but it's required to run everything.
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Verktøy Cu
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post #24 of 40
I find it interesting that we don't see more issues with these kind of builds tripping breakers on the main box for the house if they really do pull over 1kW with just the computer, because then you add the monitors and everything else on whatever breaker it happens to be on and they'd be getting very close to the current limit on most common household breakers.
post #25 of 40
HD6970 is not a 250W card. A GTX580 is a 250W card. The HD6970 is like a 200W card. And you should be fine on a quality 1000W.
post #26 of 40
^this
post #27 of 40
Aren't power supplies rated over 1200watts a gimmick anyways? I thought a normal household outlet can only do 1200watts .
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post #28 of 40
I think 6990's would be the way to go if you could find them....
post #29 of 40
like grunion said , not enough pci-e outputs for 4 6970's , so you can't use that psu for this application .
post #30 of 40
Enermax Evo Galaxy 1250w.
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