HP AD270-69001 - Intel Itanium 2 processor - 1.6GHz (Montecito, dual-core, 18MB Level-3 cache, 104W) Retail
HP AB452-69001 - Intel Itanium 2 dual core processor - 1.6GHz (Montecito, 533MHz Front Side Bus (FSB), 256KB Level-2 cache, 24MB Level-3 cache (12MB per core), 104W Thermal Design Power (TDP), socket PPGA611) - Includes two alignment rods Retail
HP AD271-69001 - Intel Itanium 2 processor - 1.4GHz (Montecito, dual-core, 12MB Level-3 cache, 104W) Retail