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Dem Power Supply Blues

Last response: in Components
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May 4, 2012 6:28:22 PM

CPU : Intel Core i5 3570K
MoBo : ASRock Z77 Extreme6
RAM : Corsair Vengeance 2x4 GB DDR3-1600
GPU : AMD Radeon 7870 x 2
SLI : Crossfire

Plus the usual assortment of odds and ends.

From what I've read, a good 650W psu should do it. But I'm wondering if I might be better off going w/ a 700-750 to get better efficiency.

Here's what I'm looking at:

Corsair TX650

Corsair TX750

Corsair GS700

Corsair AX650

Not all of these are modular, but it's going into a Corsair 300R, so cable management should not be an issue.

More about : dem power supply blues

May 4, 2012 8:38:01 PM

AX, what I got.
May 4, 2012 9:25:30 PM

That AX650 is tempting, but newegg has the 300R bundled with an HX650 for $192, and that's looking mighty attractive as well.
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May 7, 2012 3:20:25 PM

All these frigging letters are giving me a headache. AX TX HX...

So, TX is Bronze 80 rated, HX is 80 Plus rated. Bronze is better, yet the HX is more expensive.

Could someone please explain?
a b ) Power supply
May 7, 2012 4:59:40 PM

TX is Bronze, HX is Bronze, AX is Gold. The 80 Plus has to do with efficiency; the AX series is the most efficient, and is Corsairs flagship product, meaning their best. The TX is mass market enthusiast appeal, and the HX is in between. Honestly, I can't find a whole lot of differentiation between the HX and TX, other than the fact the HX is modular.
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