Xeon X5675 CPu 6-Core 3.06Ghz S1366 ( tray ver)
3.06GHz 6-Core - Socket LGA 1366 / B - 2-Way SMP - Supports DDR3-1600 Memory - 256KB L2 Cache - 1MB L3 Cache
Xeon E5-4650 v4 2.2GHz 14-Core (Tray)
2.2GHz 14-Core - 28 Threads - 2.8GHz Turbo - Socket LGA 2011-v3 / R3 - 4-Way SMP - Supports DDR4-2133 Memory - 14 x 256KB L2 Cache - 35MB L3 Cache - 105W TDP - Intel VT-x / VT-d Virtualization - Broadwell-EP 14nm - OEM/TRAY w/o Heatsink & Fan