CPU

HPE Intel Pentium 4 processor 660 - 3.6GHz (Prescott, 800MHz front side bus, 2MB Level-2 cache, socket 775)

HPE Intel Pentium 4 processor 670 - 3.8GHz (Prescott, 800MHz front side bus, 2MB Level-2 cache, sockett 775)

HPE Intel Pentium D processor 820 - 2.8GHz (Smithfield, 800MHz front side bus, 2 x 1MB Level-2 cache, socket LGA775)

HPE Intel Pentium D single-core 840 processor - 3.2GHz (Smithfield, 800MHz front side bus, 2MB Level-2 cache)

HPE Intel Xeon processor - 3.80GHz (Irwindale, 800MHz front side bus, 2MB Level-2 cache)

HPE Intel Xeon processor - 3.8GHz (Irwindale, 800MHz front side bus, 2MB Level-2 cache) - Includes heat sink