CPU

HPE Intel Xeon 32-bit single-core processor - 2.7GHz (Gallatin, 2MB Level-2 cache, 400MHz front side bus, 80W thermal design power (TDP), socket 603 PPGA) - Includes heatsink

HPE Intel Xeon 32-bit single-core processor - 3.0GHz (Gallatin, 4MB Level-2 cache, 400MHz front side bus, 85W thermal design power (TDP), socket 603 PPGA) - Includes heatsink

HPE Intel Xeon processor - 2.8GHz (533MHz front side bus, 1MB Level-3 cache, Socket 604)

HPE Intel Xeon processor - 3.6GHz (Nocona, 800MHz front side bus, 1MB Level-3 cache, 604-pin) - FIO (Factory Integratable Only)

HPE Intel Xeon processor - 3.6GHz (Nocona, 800MHz front side bus, 1MB Level-3 cache, 604-pin) - FIO (Factory Integratable Only)

HPE Intel Xeon processor - 3.20GHz (Prestonia, 533MHz front side bus, 2MB cache, 604-pin, FCPGA2 socket)