Intel Core i5-3570K Quad-Core Processor 3.4 GHz 4 Core  LGA 1155 - BX80637I53570K
Intel BX80637I53570K Core i5-3570K Ivy Bridge Four-Core 3.4GHz 6MB L3 Cache Socket 1155 77W Desktop Processor. Fan and heatsink are included on all retail packaged Intel processors.