Xeon E7-4890 v2 2.8GHz 15-Core (Tray)
2.8GHz 15-Core - 30 Threads - 3.4GHz Turbo - Socket LGA 2011-1 / R2 - 4-Way SMP - Supports DDR3-1600 Memory - 15 x 256KB L2 Cache - 37.5MB L3 Cache - 155W TDP - Intel VT-x / VT-d / VT-c Virtualization - Ivy Bridge-EX 22nm - OEM/TRAY w/o Heatsink & Fan
Xeon E7-4809 v3 2.0GHz Eight-Core (Tray)
2.0GHz 8-Core - 16 Threads - Socket LGA 2011 / R - 4-Way SMP - Supports DDR3-1333/DDR4-1866 Memory - 8 x 256KB L2 Cache - 20MB L3 Cache - 115W TDP - Intel VT-x / VT-d Virtualization - Haswell-EX 22nm - OEM/TRAY w/o Heatsink & Fan
Xeon E7-4870 v2 2.3GHz 15-Core (Tray)
2.3GHz 15-Core - 30 Threads - 2.9GHz Turbo - Socket LGA 2011-1 / R2 - 4-Way SMP - Supports DDR3-1600 Memory - 15 x 256KB L2 Cache - 30MB L3 Cache - 130W TDP - Intel VT-x / VT-d / VT-c Virtualization - Ivy Bridge-EX 22nm - OEM/TRAY w/o Heatsink & Fan