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HP 337997-001 - Intel Celeron processor - 2.0GHz (Northwood, 400MHz front side bus, 128KB Level-2 cache, FC-PGA2, Socket 478) Retail
HP AB451-69001 - Intel Itanium 2 dual core processor - 1.4GHz (Montecito, 400MHz Front Side Bus (FSB), 256KB Level-2 cache, 12MB Level-3 cache (6MB per core), 104W Thermal Design Power (TDP), socket PPGA611) Retail