Intel Core i5-6400T DESKTOP processor 2.20GHz TURBO boost to 2.80GHz QUAD core Skylake OEM tray cpu SR2BS sspec LGA-1151 CM8066201920000 Intel Core i5-6400T 2.20GHz TURBO boost to 2.80GHz OEM version - no box, no fan - just the cpu (brand new)!