Features:pulled from working machine , cpu will be final double tested before shipping.Warranty Terms:1 Year WarrantySpecifications:Processor Brand: IntelProcessor Series: Intel CoreModel number: i7 3770Processor Speed: 3.4GHzProcessor Socket: 1155stepping: SR0PKThe number of CPU cores: 4The number of threads: 8L3 cache size (MB): 8 MBWattage: 77 WattPackage Inclues:1 x I7 3770 ProcessorTips:Please check before purchasing if your PC and parts are compatible with this processor to avoid extra shipping cost and delays.Photos and serial number are only for reference , if there is fluctuation, according to the real object please.Thanks!