Xeon E7-4820 v4 2.0GHz Ten-Core (Tray)
2.0GHz 10-Core - 20 Threads - Socket LGA 2011-1 / R2 - 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 - Broadwell-EX 14nm - OEM/TRAY w/o Heatsink & Fan
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