HP AD271-69001 - Intel Itanium 2 processor - 1.4GHz (Montecito, dual-core, 12MB Level-3 cache, 104W) Retail
HP 570034-001 - Intel Celeron Dual Core processor T1500 - 1.73GHz (512KB Level-2 cache, 533MHz front side bus) Retail
HP 321723-001 - Intel Celeron processor - 2.20GHz (Northwood, 400MHz front side bus, 128KB Level-2 cache, FC-PGA2, Socket 478) Retail
HP 337997-001 - Intel Celeron processor - 2.0GHz (Northwood, 400MHz front side bus, 128KB Level-2 cache, FC-PGA2, Socket 478) Retail