Features:This product is made of high quality metal material, strong and durable.Code name is for Xeon series X5650, six-core twelve threads, up to 2.66GHz basic frequency, super performance.95W power consumption, 12M cache, 6.4GT/s QPI bus.LGA 1366 interface for motherboards of the X58, X79 series, and servers.Support for Hyper-Threading Technology, for Intel Virtualization Technology and other technology.Specifications:Material: MetalSize: Approx. 4.5*4.2*0.5cm/1.77*1.65*0.20inchCore Quantity: SixThreads Quantity: TwelveProcessor base frequency: 2.66GHzMaximum Turo frequency: 3.06GHzCache: 12MB SmartCacheBus Speed: 6.4 GT/s QPIQPI Link: 2TDP: 95WMaximum memory (depends on memory type): 288GBMemory type: DDR3 800/1066/1333Maximum memory channels quantity: 3Maximum memory bandwidth: 32GB/sPhysical address extension: 40-bitECC Memory support: YESSupport slot: FCLGA1366Maximum CPU configuration: 2For Intel Turbo Boost Technology 1.0For Intel Hyper-Threading Technology: yesFor Intel Virtualization Technology: YesFor Intel Targeted I/O Virtualization Technology: YesFor Intel VT-x with Extended Page Table (EPT): YesFor Intel 64: YesInstruction set 64-bitInstruction Set Extension For Intel: SSE4.2Package list:1 x CPUNote:Product status: Seller refurbished, PULLED FROM WORKING ENVIRONMENTNot in the scope of warranty: excessive overclocking does not boot is not covered by the warranty, CPU appearance is severely worn, exposed copper, metal scratches! Please players and friends carefully overclocked, so as not to affect the warranty.