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750w should be enough for SLI GTX 480?

post #1 of 31
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I'm thinking of getting this one: http://www.compusa.pr/applications/SearchTools/item-details.asp?EdpNo=6624657&Sku=T925-2414

Or this: http://www.compusa.pr/applications/SearchTools/item-details.asp?EdpNo=581010&Sku=C13-2826

Will the 750 be enough?? Or should I play it safe and get an 850?
 
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post #2 of 31
about 250-300 watts per card at maxx id grab the 850 myself.
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post #3 of 31
Thread Starter 
I got a Corsair TX750...lets hope its enough! :s
 
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post #4 of 31
My hx750 ran 480 sli briefly. I oc'ed them to 750 and had my cpu @ 4.4. I tested them in furmark which will draw more power than any real life scenario and it never flinched. However, you'll be running it pretty much pegged out which isn't really the best idea. I don't think you'll have any problems, but I personally would have spent the extra 30$-40$ for peace of mind and efficiency. Run them at stock and you shouldn't have any problems. A heavily overclocked 480 can pull 300w easily by itself. And good call passing on the thermaltake tr-2. I've heard a few horror stories about that one.
Edited by King Who Dat - 3/10/12 at 1:51pm
post #5 of 31
Thread Starter 
Quote:
Originally Posted by danielwiley View Post

My hx750 ran 480 sli briefly. I oc'ed them to 750 and had my cpu @ 4.4. I tested them in furmark which will draw more power than any real life scenario and it never flinched. However, you'll be running it pretty much pegged out which isn't really the best idea. I don't think you'll have any problems, but I personally would have spent the extra 30$-40$ for peace of mind and efficiency. Run them at stock and you shouldn't have any problems. A heavily overclocked 480 can pull 300w easily by itself. And good call passing on the thermaltake tr-2. I've heard a few horror stories about that one.

Yea...good points. I wouldve taken the 850 but im broke lol. When my second 480 comes in the mail next weekend ill have cash to upgrade if need be.. smile.gif
 
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post #6 of 31
Whatever you do, don't use a Thermaltake PSU. Corsair, Antec, Silverstone, XFX, all good brands. Not thermaltake.

I'd say you can run it, and even overclock a bit. Nothing as extreme as very high end air or watercooling, but you could overclock.
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post #7 of 31
See 480 testing here.

Furmark tops out a 851 while normal gaming maxed at 668. Just don't be surprised if it cant handle stress testing, other than that you should be ok depending on the power requirements for the rest of your system.

cheers.gif
post #8 of 31
Quote:
Originally Posted by Starbomba View Post

Whatever you do, don't use a Thermaltake PSU. Corsair, Antec, Silverstone, XFX, all good brands. Not thermaltake.
I'd say you can run it, and even overclock a bit. Nothing as extreme as very high end air or watercooling, but you could overclock.

The Tt Tough Power's aren't bad. I would avoid the TR2's though. But, their PSU's are overpriced IMHO
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post #9 of 31
Thread Starter 
Well, it's up and running =) Now to find that BF3 cd...and play293 a bit! And then wait for the second 480 to see these babies shine! biggrin.gifthumb.gif
 
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CoolerMaster HAF 912 
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post #10 of 31
The 750TX should be fine...

For a little over a month I folded on a pair of GTX 470s at 1550shader with a Corsair GS600...

It didn't blow up, but I sure wondered when it would
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