HP 881117-001 - Intel Itanium 9750 Four-core, 64-bit Processor - 2.53 GHz (Kittson, 32MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 6.4 GT/s, 170 watt thermal design power (TDP), socket LGA1248) Retail
HP 881115-001 - Intel Itanium 9740 eight-Core 64-bit processor - 2.13GHz (Kittson), 24MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 6.4 GT/s, 170 watt thermal design power (TDP), socket LGA1248 Retail
HP 881114-001 - Intel Itanium 9760 Eight-Core 64-bit processor - 2.66 GHz (Kittson), 32MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 6.4 GT/s, 170 watt thermal design power (TDP), socket LGA1248 Retail
HP 641467-001 - Intel Xeon X5672 Four-Core 64-bit processor - 3.2GHz (Westmere-EP, 12MB Level-3 cache, Intel QuickPath Interconnect (QPI) speed 6.4 GT/s, 95 watt Thermal Design Power (TDP), FCLGA 1366 socket) Retail
HP 729443-001 - Intel Xeon E7-4830 Ten-Core 64-bit processor - 2.20GHz (20MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 7.2 GT/s, 105 watt thermal design power (TDP), FCLGA 2011 socket) Retail