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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 743825-001 - Intel Xeon E7-2880 v2 Fifteen-Core 64-bit processor - 2.5GHz (Ivy Bridge, 37.5MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 8.0 GT/s, 130 watt thermal design power (TDP), FCLGA 2011 socket) Retail
HP 731932-001 - Intel Xeon E7-8891 v2 Ten-Core 64-bit processor - 3.2GHz (Ivy Bridge, 37.5MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 8.0 GT/s, 155 watt thermal design power (TDP), FCLGA 2011 socket) Retail
HP 788376-001 - Intel Xeon E7-8893 v3 Four-Core 64-bit processor - 3.2GHz (Haswell, 45MB Last Level Cache, Intel QuickPath Interconnect (QPI) speed 9.6 GT/s, 140W Thermal Design Power (TDP), FCLGA 2011 socket) Retail