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
Xeon E7-8891 v4 2.8GHz Ten-Core (Tray)
2.8GHz 10-Core - 20 Threads - 3.5GHz Turbo - Socket LGA 2011-1 / R2 - 8-Way SMP - Supports DDR3-1600/DDR4-1866 Memory - 10 x 256KB L2 Cache - 60MB L3 Cache - 165W TDP - Intel VT-x / VT-d Virtualization - Broadwell-EX 14nm - OEM/TRAY w/o Heatsink & Fan
Xeon E7-8880L v3 2.0GHz 18-Core (Tray)
2.0GHz 18-Core - 36 Threads - 2.8GHz Turbo - Socket LGA 2011 / R - 8-Way SMP - Supports DDR3-1600/DDR4-1866 Memory - 18 x 256KB L2 Cache - 45MB L3 Cache - 115W TDP - Intel VT-x / VT-d Virtualization - Haswell-EX 22nm - OEM/TRAY w/o Heatsink & Fan