1、This product is made of high quality metal material, strong and durable. 2、Code name is for Xeon series X5650, six-core twelve threads, up to 2.66GHz basic frequency, super performance. 3、95W power consumption, 12M cache, 6.4GT/s QPI bus. 4、LGA 1366 interface for motherboards of the X58, X79 series, and servers. 5、Support for Hyper-Threading Technology, for Intel Virtualization Technology and other technology. 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: Metal Size: Approx. 4.5*4.2*0.5cm/1.77*1.65*0.20inch Core Quantity: Six Threads Quantity: Twelve Processor base frequency: 2.66GHz Maximum Turo frequency: 3.06GHz Cache: 12MB SmartCache Bus Speed: 6.4 GT/s QPI QPI Link: 2 TDP: 95W Maximum memory (depends on memory type): 288GB Memory type: DDR3 800/1066/1333 Maximum memory channels quantity: 3 Maximum memory bandwidth: 32GB/s Physical address extension: 40-bit ECC Memory support: YES Support slot: FCLGA1366 Maximum CPU configuration: 2 For Intel Turbo Boost Technology 1.0 For Intel Hyper-Threading Technology: yes For Intel Virtualization Technology: Yes For Intel Targeted I/O Virtualization Technology: Yes For Intel VT-x with Extended Page Table (EPT): Yes For Intel 64: Yes Instruction set 64-bit Instruction Set Extension For Intel: SSE4.2 Package list: 1 x CPU Note: Product status: Seller refurbished, PULLED FROM WORKING ENVIRONMENT Not 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.