HP 604623-001 - Intel Pentium G6950 Two-Core 64-bit processor - 2.80GHz (3MB SmartCache, Intel QuickPath interconnect (QPI) speed 2.5 GT/s, 73 watt thermal design power (TDP), socket FCLGA1156 ) Retail
HP 614734-001 - Intel Xeon E5-5540 Four-Core 64-bit processor - 2.66GHz Nehalem-EP, 12MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 5.86 GT/s, 80 watt thermal design power (TDP), socket FCLGA1366) Retail
HP 641604-001 - Intel Xeon X5645 Six-Core 64-bit processor - 2.4GHz (Westmere-EP, 12MB Level-3 cache, Intel QuickPath Interconnect (QPI) speed 5.86 GT/s, 80 watt Thermal Design Power (TDP), FCLGA 1366 socket) 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 504584-001 - Intel Xeon E5630 Quad-Core 64-bit processor - 2.53GHz (Westmere-EP, 12MB Level-3 cache, Intel QuickPath Interconnect (QPI) speed 5.86 GT/s, 80 watt Thermal Design Power (TDP), FCLGA 1366 socket) Retail