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580 PSU question

http://www.newegg.com/Product/Product.aspx?Item=N82E16817371043

this is the PSU I have.

I hear that the GTX 580 needs a 40 amp rail to run correctly, however my power supply is rated at only 30 amp per rail.
I believe each 6/8 pin connector has its own rail however so with both connectors it should add up to 60 amps correct?

Or...

will I have to get a new power supply?
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  1. Best answer
    Your PSU is fine. That 40 amp recommendation is for the complete system.
  2. You could run two 580's with that power supply.
  3. Best answer selected by Nubiatem.
  4. Thanks guys, I bought this psu hoping to get 3x sli at some point, but was very disappointed seeing the 40amp rec. Thanks for the help!
  5. This topic has been closed by Mousemonkey
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