CPU

HPE IC MPU 2.50GHZ/12M/1333FSB HTN

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

HPE Intel Xeon processor - 2.80GHz (Prestonia, 533MHz front side bus, 1MB cache, 604-pin, FCPGA2 socket)

HPE Intel Xeon processor - 3.6GHz (Nocona, 800MHz front side bus, 1MB Level-2 cache) - Includes heat sink

HPE Intel Xeon Single-Core processor - 3.00GHz (Nocona, 1MB Level-2 cache, 800MHz front side bus, supports Hyper-Threading and Extended Memory 64 Technology (EM64T), PPGA 604-pin socket) - Includes thermal grease and alcohol pad

HPE Intel Xeon processor - 3.4GHz (Nocona, 800MHz front side bus, 1MB Level-3 cache, 604-pin)