Xeon E5620 2.4GHz Quad-Core LGA1366 (Tray)
2.4GHz 4-Core - 8 Threads - 2.66GHz 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
Xeon E3-1225 v2 3.2GHz Quad-Core
3.2GHz 4-Core - 3.6GHz Turbo - Socket LGA 1155 / H2 - 4 x 256KB L2 Cache - 6MB L3 Cache - Intel HD Graphics P4000 650-1250MHz Integrated GPU - 77W TDP - Intel VT-x/VT-d Virtualization - Interlagos 32nm - Retail Box w/ Heatsink & Fan - 3 Year Depot Carry-In Mfg. Warranty