Xeon E7-4820 v3 1.9GHz Ten-Core (Tray)
1.9GHz 10-Core - 20 Threads - Socket LGA 2011 / R - 4-Way SMP - Supports DDR3-1333/DDR4-1866 Memory - 10 x 256KB L2 Cache - 25MB L3 Cache - 115W TDP - Intel VT-x / VT-d Virtualization - Haswell-EX 22nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty
Xeon E5-4627 v3 2.6GHz Ten-Core (Tray)
2.6GHz 10-Core - 10 Threads - 3.2GHz Turbo - Socket LGA 2011-v3 / R3 - 4-Way SMP - Supports DDR4-2133 Memory - 10 x 256KB L2 Cache - 25MB L3 Cache - 135W TDP - Intel VT-x / VT-d Virtualization - Haswell-EP 22nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty