HP 466654-L21 - Intel Xeon Dual Core processor L5240 - 3.0GHz (Wolfdale, 1,333MHz front side bus, 2x2MB Level-2 cache, 40W) - Factory Installed Option (FIO) kit Retail
HP 466656-L21 - Intel Xeon E5430 Quad Core processor - 2.33GHz (Clovertown, 1333MHz front side bus, 12MB total Level-2 cache, LGA771 socket) - Factory Installed Option (FIO) kit Retail
HP 466665-L21 - Intel Xeon E5410 Quad Core processor - 2.33GHz (Clovertown, 1333MHz front side bus, 12MB total Level-2 cache, LGA771 socket) - Factory Installed Option (FIO) kit Retail
HP 466669-L21 - Intel Xeon Dual-Core processor E5205 - 1.86 GHz (Wolfdale DP, 1333 front side bus, 6MB Level-2 cache, 65-watt) - Factory Installed Option (FIO) kit Retail
HP 417006-017 - Intel Celeron M 430 processor - 1.73GHz (Yonah, 1MB Level-2 cache, 533MHz front side bus) Retail