Intel Xeon E3-1230 V2,E3-1240 V2,E3-1270 V2, E3-1245 V2 LGA1155 CPU

All three models feature Hyper-Threading, which allows for better multitasking and efficiency in threaded applications. They fit into the LGA 1155 socket, and their thermal design power (TDP) of 69 Watts indicates relatively efficient energy usage.