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Is this power supply sufficient for these GPUs? Also, which GPU?

Last response: in Systems
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December 21, 2012 10:21:00 PM

I am hoping to get a new video card and PSU for Christmas, but need to know if the power supply I want is enough for the video cards.

Video Cards I am looking at (also tell me which is better):

ASUS Radeon 7750 1GB
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Geforce GTX 550 Ti 1GB
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


Power Supply:
Corsair CX430
http://www.newegg.com/Product/Product.aspx?Item=N82E168...



I understand that the Geforce is better, but that it takes much more power. Which should I get, since I am upgrading an old desktop?
I would like some statistics/facts to back up answers, thank you very much!
December 21, 2012 10:45:00 PM

Okay, so should this PSU be enough? I understand that there is the 400w, but what about the 12v ampage?
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a b ) Power supply
a b U Graphics card
December 21, 2012 10:49:15 PM

The 12v rail has 32 amps, so that should be enough, but if you plan to overclock or SLI the video card then i would go to a 600 watt Corsair.
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December 21, 2012 11:07:08 PM

Is a PCI-E x16 power connecter the same thing as a 6 pin connector that is needed for the card?
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a b ) Power supply
a b U Graphics card
December 21, 2012 11:16:42 PM

Yes it is. Some power supplies have a 6 pin+2 PCI-E connector for a total of 8 pins for a more powerfull card.
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