GPU upgrade or new system

maybe overclocing your ram to 1600mhz is a good idea

PSU is good for whatever you throw at it single gpu wise, the ud3h is a very capable board as well. Quite a feature rich package for its price (when z77 stuff was the new kid on the block)

my mb does not support 1600 mhz ram thats the problem

would you coose an 7970 or an 770 witch is has 5% less performance than an non oc 780

i don't think he would see a difference at all, in games. he has a dedicated GPU