CPU

Original HP Intel Celeron D processor - 2.93GHz (533MHz front side bus, 256KB on-die Level-2 cache, 775-FCLGA4 package)

Original HP Intel Pentium 4 processor - 3.40 GHz (Prescott-EM64T, 800MHz front side bus, 1MB Level-2 cache, 64-bit, 775-LGA package)

Original HP Intel Pentium 4 processor - 3.60 GHz (Prescott-EM64T, 800MHz front side bus, 1MB Level-2 cache, 64-bit, 775 FC-LGA4 package)

Original HP Intel Xeon MP 3.16GHz (Cranford 667MHz FSB, 1MB cache, 604 pin Int3 socket) processor - FIO Base

Original HP AMD Opteron 250 single-core processor - 2.4GHz (800MHz, 1MB L2 cache and on-board memory controller) Option Kit

Original HP AMD Opteron 252 single-core processor - 2.6GHz (800MHz, 1MB L2 cache and on-board memory controller) Option Kit

Original HP Intel Xeon 3.8GHz processor (Irwindale, 800MHz, 2Mb level 2 cache) - Includes heatsink

Original HP Intel Xeon 3.6GHz processor (Irwindale, 800MHz, 2Mb level 2 cache) - Includes heatsink

Original HP Intel Xeon 3.4GHz processor (Irwindale, 800MHz, 2Mb level 2 cache) - Includes heatsink

Original HP Intel Xeon 3.6GHz (Irwindale, 800MHz FSB, 2M cache, 604 pin INT3 socket) Factory Installed Option (FIO)

Original HP Intel Xeon 3.6GHz (Irwindale, 800MHz FSB, 2M cache, 604 pin INT3 socket) Factory Installed Option (FIO)

Original HP AMD O252 2.6/1GHz HT-1M DL145G2 Factory Integration Only (FIO)

Original HP Intel Xeon processor - 3.8GHz (800Mhz, 2MB Level-2 cache) Factory Installed Option (FIO) - Includes heatsink

Original HP AMD O246 2.0 GHz/ 1MB DL145 G2 Factory Integration Only (FIO)

Original HP AMD O246 2.0 GHz/ 1MB DL145 G2 Factory Integration Only (FIO)