Xeon E5640 2.66GHz Quad-Core (Tray)
2.66GHz 4-Core - 8 Threads - 2.93GHz Turbo - Socket LGA 1366 / B - 2-Way SMP - Supports DDR3-1066 Memory - 4 x 256KB L2 Cache - 12MB L3 Cache - 80W TDP - Intel VT-x/VT-d/VT-c Virtualization - Westmere-EP 32nm - OEM w/o Heatsink & Fan - No Mfg. Warranty