CPU

HPE Intel Xeon processor - 2.8GHz(800MHz front side bus, Low Voltage (LV)) - Includes heat sink

HPE Intel Xeon 5110 1.6GHz Dual Core 2X2MB ML150G3 Processor Option Kit

HPE Intel Xeon 5130 2.0GHz Dual Core 2X2MB ML150 G3 Processor Option Kit

HPE Intel Xeon 5150 two cores, processor - 2.66GHz (Woodcrest, 4MB Level-2 cache, 1333 MHz front side bus (FSB), 65 watt thermal design power (TDP), socket LGA771)

HPE Intel Xeon 5160 3.0GHz Dual Core 2X2MB DL140G3 Processor Option Kit

HPE Intel Xeon 5060 Two-Core 64-bit processor - 3.20GHz (Dempsey, 4MB Level-2 cache, 1066 MHz front side bus (FSB), 130 watt thermal design power (TDP), socket PLGA771 )