HP 383871-L22 - Intel Pentium 3.2GHz (Prescott, 800MHz front side bus, 1 MB level two cache) processor - Factory Integration Only Retail
HP 382233-001 - Intel Pentium 4 processor - 3.20GHz (Prescott-T with Hyper-Threading, 800MHz front side bus, 1MB Level-2 cache, socket 775) Retail
HP 355928-L21 - Intel Xeon processor - 3.6GHz (Nocona, 800MHz front side bus, 1MB Level-3 cache, 604-pin) - FIO (Factory Integratable Only) Retail
HP 207674-001 - Intel Mobile Pentium III processor - 800MHz (Coppermine, 100MHz front side bus, 256KB Level-2 cache) Retail
HP 382234-001 - Intel Pentium 4 EM64T SL7L9 processor - 3.4GHz (Prescott, 1MB Level-2 cache, 800 MegaTransfer per second (MT/s) Front Side Bus (FSB), 115 watts Thermal Design Power (TDP), socket LGA 775) Retail
Hewlett-Packard (HP) 311583-L22 - 3.4Ghz 800Mhz 1MB Intel Xeon CPU Processor Sale $99.00 Retail $239.00
Hewlett-Packard (HP) 378750-L22 - 3.4Ghz 800Mhz 2MB Intel Xeon CPU Processor Sale $49.00 Retail $139.00