Xeon X5680 3.33GHz Six-Core LGA1366 130W (Tray)
3.33GHz 6-Core - 12 Threads - 3.6GHz Turbo - Socket LGA 1366 / B - 2-Way SMP - Supports DDR3-1333 Memory - 6 x 256KB L2 Cache - 12MB L3 Cache - 130W TDP - Intel VT-x / VT-d / VT-c Virtualization - Westmere-EP 32nm - OEM/TRAY 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
Xeon E5-4628L v4 1.8GHz 14-Core (Tray)
1.8GHz 14-Core - 28 Threads - 2.2GHz Turbo - Socket LGA 2011-v3 / R3 - 4-Way SMP - Supports DDR4-2133 Memory - 14 x 256KB L2 Cache - 35MB L3 Cache - 75W TDP - Intel VT-x / VT-d Virtualization - Broadwell-EP 14nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty