Xeon E5-4640 v4 2.1GHz 12-Core (Tray)
2.1GHz 12-Core - 24 Threads - 2.6GHz Turbo - Socket LGA 2011-v3 / R3 - 4-Way SMP - Supports DDR4-2133 Memory - 12 x 256KB L2 Cache - 30MB L3 Cache - 105W TDP - Intel VT-x / VT-d Virtualization - Broadwell-EP 14nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty
Xeon E5-1660 3.3GHz 6-Core S2011 130W CPU (Tray)
3.3GHz 6-Core - 12 Threads - 3.9GHz Turbo - Socket LGA 2011 / R - 1-Way SMP - Supports DDR3-1600 Memory - 6 x 256KB L2 Cache - 15MB L3 Cache - 130W TDP - Intel VT-x / VT-d / VT-c Virtualization - Sandy Bridge-EP 32nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty