Is 750w enough for low-end crossfire?

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Finglandia8

Finglandia8

Honorable
May 3, 2013
30
0
10,530
Hey guys I have just bought a second HD 7770 to crossfire in my rig. And I really hope that my Cooler Master GX 750w power supply can cope.

Here are my specs:
CPU: AMD FX-8350
Mobo: Asus M5A97 R2.0
Ram: 8gb corsair vengeance 1600
HDD: WD Caviar Black 1TB
GPU: 2x Asus HD 7770
PSU: Cooler Master Gx 750w
Thanks!
 
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toyftw

toyftw

Dignified
Jul 29, 2012
4,370
0
16,960


Hi - A quality 750w PSU is way more than sufficient for a sys with 2 7770's in CF.
However, to further what ksham said; that CM GX 750 is not only a not very good
PSU, it is a poor quality PSU and you should be aware.

Here's some of the review comments, courtesy of johnnylucky.org:

GX-750 750 Cannot handle heat at 750 watts. Ripple issues on the 3.3V rail. Noise level on +3.3V and +5VSB above maximum allowed. Questionable capacitor quality. Poor Voltage Regulation. Efficiency lower than advertised.
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=188

http://www.hardwaresecrets.com/article/Cooler-Master-GX-750-W-Power-Supply-Review/917/1




 
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