Central processing unit. It's the brain of the computer.




Intel Xeon Haswell E3-1220 V3 - LGA1150 - Quad core / 4threads , 3.1ghz box cpu / 3.5ghz turbo boost

Intel Xeon E3-1220 V2 - ivybridge lga1155 - Quad core / 4threads , 3.1ghz box cpu / 3.5ghz turbo boost