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2 GTX 780ti sli, is 860 watt enough?

post #1 of 2
Thread Starter 
Hello fellow overclockers!

I consider upgrading my gaming/streaming rig.

My current setup is as follows:
  • Asus Sabertooth z77
  • AMD HD7970
  • i7 3770k 4.6GHz
  • Corsair Vengeance DDR3 1600MHz 16GB
  • 1.5tb 7200rpm
  • 1 x 250gb ssd
  • 3 x 60 gb ssd in raid 0
  • Corsair AX860 psu
  • Corsair H100i cooler

My HD7970 will be replaced by two GTX 780ti sli, but will my AX860 psu be enough even if I overclock the cards?

Notice that AX860 has a high efficiency, 80+platinum.

I hope somebody is smarter that I am, and can make the decision for me smile.gif
post #2 of 2
Yes, that PSU will be fine. On my 780 Classifieds, as long as I stayed at or below 1.21v, I was fine. If I pushed the voltages any higher, it would cut off. This is with a 4.7Ghz 4770k, too.
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