Need Desperate Help With Choosing Power Supply

Hi, I'm going to be building a gaming rig and I need to know what type of psu i need.

Processor - Q9550 Quad-Core (Going to be overclocked) = $423

Graphics Card - GTX 260 XFX (Maybe a GTX 280. Definitely going to be SLI.) = $347

Ram - 4GB Kit DDR2 1066 Kingston (Might buy better ram) = $89

Motherboard - Gigabyte GA-EP45-UD3P = $223

Total - $1082


CPU Cooling - Noctua NH-U12P = $85

Case - Thermaltake Armor + Black Full Tower - 23cm Fan Side Panel (No PSU) = $285

Monitor - 24” 2ms WebCam WS Benq M2400HD Full HD = $379

I'm still tweaking this rig out, so I'm still not finished. i need help on what type of PSU i need.

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  1. Coppapo said:
    (Maybe a GTX 280. Definitely going to be SLI.)

    Motherboard - Gigabyte GA-EP45-UD3P = $223

    That mobo is Crossfire only.
  2. lol psu choice depends on how long you plan on running it,(if you match your peak useage the psu will go out sooner, Where as a higher power threshold means underusing components thereby extending psu life) id say use the psu calculator on this site and base purchasing decisions on reliable brand names like pc power and cooling and thermal take or ocz.
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