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1000w enough for 4x 6970? - Page 4

post #31 of 40
Can't you find one with enough native connectors, or you don't mind using adapters?
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post #32 of 40
Quote:
Originally Posted by Tyrker View Post
Aren't power supplies rated over 1200watts a gimmick anyways? I thought a normal household outlet can only do 1200watts .
im pretty sure after a certain power draw you have to move over to a 220 outlet here In the states.
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post #33 of 40
Thread Starter 
Quote:
Originally Posted by grunion View Post
Can't you find one with enough native connectors, or you don't mind using adapters?
Well the thing is that I already own the CoolerMaster... if I could I would love to just run 4 card as is without buying anything else.


I don't mind using adapters.
post #34 of 40
Common breaker is 20 amps so 120 volts, gives us 2400 watts. Of course efficiency and breaker surges all come into play but still these graphics cards are no joke.
post #35 of 40
I would pass on the OCZ, I'm not thrilled about my 1kw unit .

My vote goes for the AX1200 for overkill and epeen power
post #36 of 40
I would say at LEAST a decent 1000w. 1200w+ to allow for overclocking headroom.

The AX 1200 had my vote too.
    
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post #37 of 40
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
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.

Just tested it myself, my stock bios 6950 with a +100mhz on the core and everything else on stock including stock vcore pulls exactly 250w.

I had 2 cards, loaded them, measured, took a card out measured again and subtracted the difference.
post #38 of 40
I have a Quad-Fire set-up (4 GPUs at 1010/1375), with an i7 2600K at 5.1, 3 SSD and 3HDD, 3 watercooling pumps MCP655, and 19 fans Gentle Typhoon 120, 1 Blu-ray writer, 5 fans controllers, and everything is running fine on my Corsair AX1200.

1200W is more then enough.
    
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post #39 of 40
You could always stick with the 1K watt PSU and then just buy a good second-hand 600-650w PSU or the like to power a couple of your cards separately - that would probably be far cheaper than getting an entirely new 1200-1500w PSU.
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post #40 of 40
1.5kw , 1000 wont be enough .
    
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