disagree, with my i5 2500k i can overclock to 4.3 ghz at under 70c with the sock cooler... but i'm about to ode the Kuhler H2O 620 to try and hit 4.7ghzdisagree, with my i5 2500k i can overclock to 4.3 ghz at under 70c with the sock cooler... but i'm about to ode the Kuhler H2O 620 to try and hit 4.7ghz