Sufficient PSU for my build

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-500CX-500W-PSU-Power-Supply/Product.html?searchtype=PCSH&searchsource=0&searchstring=power+supply&urlrefer=search&strefer=PCSH&searchfilters=s{power+supply}%2bc{420}%2b)
OCZ StealthXstream II 500W (http://www.play.com/PC/PCs/4-/17587856/OCZ-StealthXstream-II-500W-PC-Power-Supply/Product.html?searchtype=PCSH&searchsource=0&searchstring=power+supply&urlrefer=search&strefer=PCSH&searchfilters=s{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?
2 answers Last reply
More about sufficient build
  1. No video card ?
    500 watts is insane overkill.
    A lower wattage, higher quality psu ( not that I'd have a problem using either of your choices ) would be a better choice
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151077
  2. 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.
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