HP A9731-69004 - Intel Itanium 2 processor - 1.5GHz (Madison 9M, 400MHz front side bus, 4.0MB Level-3 cache) Retail
HP A9731-69103 - Intel Itanium 2 processor - 1.5GHz (McKinley, 400MHz front side bus, 4.0MB Level-3 cache) Retail
HP A9732-69004 - Intel Itanium 2 processor - 1.6GHz (Madison 9M, 400MHz front side bus, 6.0MB Level-3 cache) Retail
HP 321723-001 - Intel Celeron processor - 2.20GHz (Northwood, 400MHz front side bus, 128KB Level-2 cache, FC-PGA2, Socket 478) Retail