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Sufficient PSU for my build

Last response: in Components
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March 8, 2011 2:48:10 PM

Hi guys,

I'm building the following system:

Gigabyte GA-880gm-ud2h motherboard
AMD Athlon II X4 640 cpu
4gb (2x2gb) Crucial DDR3 1333
1 Samsung 1.5tb SATA-II drive
1 Bluray drive
1 (powered) external HD

This won't be a gaming machine so I don't intend to put another graphics card in other than the on board graphics of the motherboard. I've been burnt with a rubbish insufficient power supply and have been looking at the following two PSUs:

Corsair CMPSU-500CX (http://www.play.com/PC/PCs/4-/16686773/Corsair-CMPSU-50...{power+supply}%2bc{420}%2b)
OCZ StealthXstream II 500W (http://www.play.com/PC/PCs/4-/17587856/OCZ-StealthXstre...{power+supply}%2bc{420}%2b)

Both seem to provide what I would think is sufficent power - both have dual 12V rails, the Corsair has 34A on 12V and the OCZ has 36A.

Would either or both of these be sufficient?

More about : sufficient psu build

March 8, 2011 3:27:56 PM

I'm bearing in mind here that I've already tried two PSUs in this build; one rated at 450w (17A on 12V) which wouldn't even allow the system to POST and another rated at 500w with I think 24A on 12V that crashed after around 2 minutes of uptime in Windows XP. So I'm erring on the safe side.
!