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What PSU do I need?

Forum Homebuilt Systems : General Homebuilt - What PSU do I need?

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carlos_stupp   07-15-2009 at 05:12:52 AM

I am changing my video card (9800gtx+) to an evga gtx 295. I have a:

Processor: E8400 at 3.0 (im gonna overclock to 3.8 - 4.0ghz)
Ram: 2x2 ocz 1333
mobo: xfx 790i ultra
case: cm690 6 fans
hard drive: wd caviar black 1tb and samsung 320gb
cooler: cm hyper 212

I already have a corsair 750 TX. and the question is: am i gonna need to change it, or will that be enough?

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Bronze Home Brew badge skora   07-15-2009 at 06:57:29 AM
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In the amount of time it took you to post this, you could have googled a power supply calculator and answered your own question. But since you didn't, I'll save you the search.

http://www.antec.outervision.com/PSUEngine

You will have enough power with a single 295.

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buzznut   07-15-2009 at 07:25:38 AM
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Wow that's cool. I dig it! Thanks for the link.

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Ragsters   07-15-2009 at 07:37:33 AM
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skora wrote :

In the amount of time it took you to post this, you could have googled a power supply calculator and answered your own question. But since you didn't, I'll save you the search.

http://www.antec.outervision.com/PSUEngine

You will have enough power with a single 295.



Its not only about power but the amount of amperage on the 12V rail you will need to support such a massive video card. The right information that you need to give carlos_stupp is that according to EVGA not only do you need a minimum of 680W but a total of 46 Amps on the 12V rail. Your 750w power supply has 60A on the 12V rail so you're good.

http://www.evga.com/products/moreI [...] s%20Family


Message edited by Ragsters on 07-15-2009 at 07:38:17 AM
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