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Need PSU Help

I'm trying to find the right PSU. I have the case and motherboard i just don't know what to look at in these specs to find the correct psu.
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  1. Any other Specs? Because motherboard and case alone isn't going to help us give you the advice you need.
  2. Depends on what the other parts of your computer are.
  3. Best answer
    The two biggest power draws in a PC are the CPU and the GPU if any. If you'll be using the IGP, then any of the good 300W+ units will be fine. If you'll be using a single GPU, then you'll probably need a good 450W or so. This greatly depends on the GPU. If you'll be running two or more GPUs then either the new 650W gold units, or a 750W or more will be needed. A case uses no power (fans some, but not much.) and a motherboard is around 10W last I looked. This is nothing compared to the 125W CPUs that are out there.
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