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Old 12-24-2007, 11:40 PM   #1 (permalink)
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Default 750w Thermaltake Power Supply good for SLI 8800gtx's?

Ditto in the title.

Just wondering before I even think about throwing cash into the SLI money-sink.

Since my current setup is dependent on the 750 PSU, I was wondering if I would also have to step up the cooling to perhaps that fancy gel-tube cooling or maybe throw a few extra fans in there.

Anyways, I know everyone's opinions differ greatly concerning crossfire and SLI.
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Old 12-25-2007, 12:04 AM   #2 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

thats not enough info because 12v rails matter more than Wattage, but I"m guessing its the ToughPower, but thats overkill, a Corsair 520hx is enough to run that with a heavily oc'ed quad-core and whatnot...
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Old 12-25-2007, 01:33 AM   #3 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

i got that same 750W toughpower Sl Ready PSU from Ffor like 129.99 a while back it should be more than enough to run Those cards
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Old 12-25-2007, 04:17 AM   #4 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

Unless you are getting the 2nd GTx card cheap, i wouldnt bother.
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Old 12-25-2007, 07:13 AM   #5 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

The 750w Toughpower is a beast of a PSU, 4 x 18amp rails are more than enough.

However, unless the Toughpower is cheaper, I'd choose the Corsair HX620w.
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Old 12-25-2007, 10:32 AM   #6 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

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Originally Posted by gurusan View Post
The 750w Toughpower is a beast of a PSU, 4 x 18amp rails are more than enough.

However, unless the Toughpower is cheaper, I'd choose the Corsair HX620w.
actually, the 520hx and the 620hx are the same thing, the only 100watt difference comes from the extra amperage on the non very important 3.3V Rails
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Old 12-25-2007, 10:41 AM   #7 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

hmm, so it seems (extra power is on the 5v rail though actually)

So go for the 520w corsair
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Old 12-25-2007, 10:42 AM   #8 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

woops, double post
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Old 12-25-2007, 10:47 AM   #9 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

Quote:
Originally Posted by gurusan View Post
hmm, so it seems (extra power is on the 5v rail though actually)

So go for the 520w corsair
ahh yes your right, If I go correcting somebody, I've gotta correct em' with the right info
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Old 12-25-2007, 11:58 AM   #10 (permalink)
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Default Re: 750w Thermaltake Power Supply good for SLI 8800gtx's?

Quote:
Originally Posted by gurusan View Post
hmm, so it seems (extra power is on the 5v rail though actually)

So go for the 520w corsair
ya but for awhile the 5v rail on the 620hx was defective and was running like a 3.3v rail, the new ones are 5v tho.
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