PSU for gaming pc

This is my current build http://pcpartpicker.com/p/r4Mf

Everything has been ordered except the video card and the PSU. I am most likely going to get a radeon 7950 (possibly 7970) and may crossfire it eventually but not soon.

How many watts do I need and could you recommend one?
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  1. I say 750W. I personally do not own a custom PC (yet) but I know numbers enough to say 550 isn't enough to power all that + 2 GPUs. I say at least 650, but 700-750 is a good spot.

    EDIT: Also, go with Corsair, I've seen many good PSUs from them and I plan to use one in my own rig once I have the money for it.
  2. BMF96 said:
    This is my current build http://pcpartpicker.com/p/r4Mf

    Everything has been ordered except the video card and the PSU. I am most likely going to get a radeon 7950 (possibly 7970) and may crossfire it eventually but not soon.

    How many watts do I need and could you recommend one?


    Hi - There's quite a big diff in power consumption between these 2 cards:

    7950 - Avg game power usage = 288w & up tot sys
    7970 - Avg game power usage = 352w & up tot sys

    So, If you're going with 2 7950's then you need a quality 650w unit
    and 2 7970's would require 750 or more w

    remember - you need a psu with 4 pci-e connectors
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