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how many watts do i need

I have a sapphire vapor-x radeon 7970 ghz, and an i5-4670k, how many watts will I need to overclock the processor to 4.3 to 4.6 ghz
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  1. Best answer
    A quality 550w PSU should be enough, or 600W if you plan on adding lots of fans, drives etc. XFX, Corsair, Seasonic or Antec are the brands to go for.
  2. 600W +

    Depends whether you have multiple HDD/SDD, GPU's etc.

    Fans do not tend to use a lot of watts.
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