post #11 of 11
I had the extreme4 and couldnt get more then 4.0Ghz stable. Thought it was the board so i got an MSI z87-G45, still couldnt get over 4.0Ghz. Exchanged the 4770k now i have 4.4Ghz stable using 44x multiplier and 1.2v with everything auto. I think haswell chips just have a big variance between the top OC'ers and bottom of the barrel.