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XFX 650w Sufficient for Crossfired 6970s? - Page 3

post #21 of 25
I was, that's why I quoted him. Read my first reply, second post from the topic, for the dude that posted I should stay away from PSU threads.

I just posted that reply cause people will now think they need a overpriced AX850 when the replacement wasn't even needed.
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post #22 of 25
Quote:
Originally Posted by Empr1ze View Post

This is a pretty stupid statement... I suggest you stop posting in PSU threads if you don't know what you're talking about for the sake of the OP.

He is correct, maybe you should follow your own advice.
post #23 of 25
Well, the answer to your question depends on if you are in warranty on it and for how long?

If you have the warranty on it for a while, try it. If you don't, sell it and buy at least a 750W, preferably 850W.

According to this HD 6970 crossfire setup pulls more than GTX 580 SLI setup (600W).
     
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post #24 of 25
Allrighty here we go.

They measure total system power consumption.

That means it's socket side draw and not the actual wattage the PSU has to deliver.

Int his case, assuming a 90% efficiency it's actually 536.4w that the PSU has to deliver.
That's 100w under it's rated power. So according to this review it's no sweat for the PSU.

I've seen reviews go as high as 612w loaded with stresstests but thats still just under 550w.

My own system with overclocks & all draws about 650w from the socket when stressing with Furmark & Prime95 at the same time.
Meaning it needs to deliver 585w in extreme stresses. In-Game the draw is hardly even 550w so it's actually in it's best regions possible, about 60-80% max load, cause it has the best efficiency there smile.gif
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Thundahcat.
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post #25 of 25
Quote:
Originally Posted by Imprezzion View Post

Allrighty here we go.
They measure total system power consumption.
That means it's socket side draw and not the actual wattage the PSU has to deliver.
Int his case, assuming a 90% efficiency it's actually 536.4w that the PSU has to deliver.
That's 100w under it's rated power. So according to this review it's no sweat for the PSU.
I've seen reviews go as high as 612w loaded with stresstests but thats still just under 550w.
My own system with overclocks & all draws about 650w from the socket when stressing with Furmark & Prime95 at the same time.
Meaning it needs to deliver 585w in extreme stresses. In-Game the draw is hardly even 550w so it's actually in it's best regions possible, about 60-80% max load, cause it has the best efficiency there smile.gif

Another thing people seem to forget is that you will hardly ever reach those peak numbers during normal use. You have to intentionally do it.
    
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