Xeon E5-2620 2.0GHz 6-Core/12T S2011 95W CPU (Tray)
2.0GHz 6 Core - 12 Threads - 2.5GHz Turbo - Socket LGA 2011 / R - 2-Way SMP - Supports DDR3-1333 Memory - 6 x 256KB L2 Cache - 15MB L3 Cache - 95W TDP - Intel VT-x / VT-d / VT-c Virtualization - Sandy Bridge-EP 32nm - OEM/TRAY w/o Heatsink & Fan
Xeon E5-2640 v3 2.6GHz 8-Core 16-Threads S2011 90W CPU
2.6GHz 8 Core - 16 Threads - 3.4GHz Turbo - Socket LGA 2011-v3 / R3 - 2-Way SMP - 8 x 256KB L2 Cache - 20MB L3 Cache - 90W TDP - Intel VT-x / VT-d Virtualization - Haswell-EP 22nm - Retail Box w/o Heatsink & Fan