will my 550w be enough for my gtx 780 sc acx

I have a seasonic 550w modular psu 80 plus gold and a evga gtx 780 that says it needs 600 watts and a min of 42 amps on the +12v rail i have 45v but will 550w be ok or should i upgrade
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  1. Best answer
    Yes; that PSU is more than sufficient. The recommendation is for the system running the graphics card. The graphics card itself will not use up 600W alone. ;)
  2. I think they allow a small safety factor for people who use crappy power supplies. Seasonic is top notch though
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