I wanted to upgrade my current build (listed below) to use two GEforce GTX 780s but I was wondering if I have a good enough PSU for them, as well as if I need to make any other considerations before buying them given my build. If not what should I get to be able to run these cards?
Build: http://pcpartpicker.com/p/15tB7
Build: http://pcpartpicker.com/p/15tB7