Xeon E5-1660 3.3GHz Six-Core (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 w/o Heatsink & Fan - No Mfg. Warranty
Xeon E5-4669 v3 2.1GHz 18-Core (Tray)
2.1GHz 18-Core - 36 Threads - 2.9GHz Turbo - Socket LGA 2011-v3 / R3 - 4-Way SMP - Supports DDR4-2133 Memory - 18 x 256KB L2 Cache - 45MB L3 Cache - 135W TDP - Intel VT-x/VT-d Virtualization - Haswell-EP 22nm - OEM w/o Heatsink & Fan - No Mfg. Warranty