I'm confused about the requirements of this GPU, and the specifications of this PSU.

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mmob18

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Nov 5, 2013
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10,540
Hey all, I've really narrowed down my PSU search to this one: http://www.newegg.ca/Product/Product.aspx?Item=17-371-049&SortField=0&SummaryType=0&Pagesize=10&PurchaseMark=&SelectedRating=-1&VideoOnlyMark=false&VendorMark=&IsFeedbackTab=true&Keywords=%28keywords%29#scrollFullInfo

It's cheap, looks decent, made by a good company and it's currently on sale now.

I want to get this GPU: http://www.evga.com/Products/Product.aspx?pn=04G-P4-3778-KR

Everything looks good, but there's something about the 12v Rail things... The PSU specs say that it has "40A +12V rails", but the GPU says that it needs 42A.

I'm new to PSUs, and hardware in general so any help would be awesome. I've been looking around at all the PSUs and it seems like most of the are only 40A...

Regards!
 
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aznricepuff

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Oct 17, 2013
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You'll be fine with that PSU and GPU combination. In fact you'll have quite a bit of headroom.

When the GPU specs say it requires 42A on +12V rail, it means that you should have a PSU that can supply a total of at least that much current, not that the GPU itself will draw that much current (which would be the equivalent of 500W - no GPU draws that much power).

 
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