Xeon E5640 2.66GHz Quad-Core (Tray)
2.66GHz 4-Core -  8 Threads -  2.93GHz Turbo -  Socket LGA 1366 / B -  2-Way SMP -  Supports DDR3-1066 Memory -  4 x 256KB L2 Cache -  12MB L3 Cache -  80W TDP -  Intel VT-x / VT-d / VT-c Virtualization -  Westmere-EP 32nm -  OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty
			 
						
				Xeon E5-4660 v4 2.2GHz 16-Core (Tray)
2.2GHz 16-Core -  32 Threads -  3.0GHz Turbo -  Socket LGA 2011-v3 / R3 -  4-Way SMP -  Supports DDR4-2133 Memory -  16 x 256KB L2 Cache -  40MB L3 Cache -  120W TDP -  Intel VT-x / VT-d Virtualization -  Broadwell-EP 14nm -  OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty