which one?for a 6 core cpu 1 hdd 6gsata ati hd 4850 4 gig mem?
Corsair VX550W PSU
OCZ OCZ550FTY-UK Fatal1ty Series / 550W
OCZ OCZ600SXS-UK / StealthXStream
OCZ ModXStream Pro 600W - 80+ & SLI Certified - ATX12V 2.2/ EPS12V
OCZ 500W Mod XStream Pro PSU
OCZ Stealth Xtream 500W PSU