Hey overclocked my i5 4670k ith corsair h80i today to 3.9 ghz as I didnt wanna go further as first time. Tried itb not prime95 worked fine very high. Then after done playing some games for couple of hours i tried prime95 4 workes. blueescreen. Itb very high. Bluescreen I just turned up vcore to see if it helps or not. Thx in advance please comment id you want other specs.