Xeon E7-4880 v2 2.5GHz 15-Core (Tray)
2.5GHz 15 Core - 30 Threads - 3.1GHz Turbo - Socket LGA 2011-1 / R2 - 4-Way SMP - Supports DDR3-1600 Memory - 15 x 256KB L2 Cache - 37.5MB L3 Cache - 130W TDP - Intel VT-x / VT-d / VT-c Virtualization - Ivy Bridge-EX 22nm - OEM/TRAY w/o Heatsink & Fan
Xeon E7-8860 v3 2.2GHz 16-Core (Tray)
2.2GHz 16 Core - 32 Threads - 3.2GHz Turbo - Socket LGA 2011 / R - 8-Way SMP - Supports DDR3-1600/DDR4-1866 Memory - 16 x 256KB L2 Cache - 40MB L3 Cache - 140W TDP - Intel VT-x / VT-d Virtualization - Haswell-EX 22nm - OEM/TRAY w/o Heatsink & Fan
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 X3440 2.53GHz Quad-Core LGA1156 ( OEM pack)
2.53GHz 4 Core - 2.93GHz Turbo - Socket LGA 1156 / H - 4 x 256KB L2 Cache - 8MB L3 Cache - 95W TDP - Intel VT-x / VT-d Virtualization - Lynnfield 45nm - Retail Box w/ Heatsink & Fan