Hi, I overclocked my Intel i7-3770k to 4.0 Ghz, and got around high 50s°C, to 60°C max. will this harm my cpu? got a sabertooth z77 mobo, corsair h100i water cooler. i'm not sure if this is too high or low. and what do you recommend should i OC my cpu at, 3.9 GHz? thanks.