CPU

HPE Intel Pentium 4 processor - 2.66GHz (Northwood, 533MHz front side bus, 512KB Level-2 cache, FC-PGA2, Socket 478) - Includes syringe with thermal grease, and an alcohol pad

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, 512KB ATC cache)

HPE Intel Xeon 32-bit single-core processor - 1.5GHz (Gallatin, 1MB Level-2 cache, 400MHz front side bus, 48W thermal design power (TDP), socket 603 PPGA) - Includes heatsink

HPE Intel Xeon 32-bit single-core processor - 2.0GHz (Gallatin, 2MB Level-2 cache, 400MHz front side bus, 57W thermal design power (TDP), socket 603 PPGA) - Includes heatsink

HPE Intel Celeron processor - 1.80GHz (Willamette, 400MHz front side bus, 128KB Level-2 cache, FC-PGA2, Socket 478) - Use only in the event original is unavailable