Intel Core? i5-655K Processor, 3.20 GHz Clock Speed with 4MG Cache, LGA1156 Socket, Unlocked Desktop Processor, Retail boxed, Intel Core i5-655K Unlocked Processor, 3.20 GHz with 4 MB L3 shared cache. Features Overclocking Enabled, which allows full control over the processor core/turbo and DDR ratios for the best possible overclocking results.