With Sandy Bridge and Ivy Bridge, standard Core i5 and i7 processors offer enough multiplier headroom for 400MHz overclocks. K-series chips are only required to push higher. Things are different for Haswell, which removes the multiplier allowance for standard CPUs, making multiplier-based overclocking exclusive to K-series processors."
Ever had problems with broswer hijacking? Be prepared for the next attack by turning Windows update on, and reading the guide to Browser Hijacking and How to Stop It. - PCSTATS Tips