CPU

HPE Intel Xeon processor upgrade kit - Includes a 2.40GHz (Prestonia, 400MHz front side bus, 512KB ATC cache, PPGA-INT3 socket, 603-pin) processor, VRM (Voltage Regulator Module) and heatsink

HPE Intel Xeon processor - 2.80GHz (Prestonia, 400MHz front side bus, 512KB ATC cache, 604-pin) - Includes heat sink

HPE Intel Xeon processor - 2.80GHz (Prestonia, 400MHz front side bus, 512KB ATC cache, 604-pin) - Includes heat sink

HPE Intel Xeon processor - 3.06GHz (Prestonia, 533MHz front side bus, 512KB ATC cache, 604-pin) - Option kit

HPE Intel processor option - 2.40GHz (400MHz) (Worldwide)

HPE Intel processor option - 2.80GHz (400MHz) (Worldwide)