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 871811-001 - Intel Xeon E3-1240 V6 Four-Core 64-bit processor - 3.7GHz (Kaby Lake, 8MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 8.0 GT/s, 72 watt thermal design power (TDP), socket FCLGA1151) Retail
HP 871810-001 - Intel Xeon E3-1230 V6 Four-Core 64-bit processor - 3.5GHz (Kaby Lake, 8MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 8.0 GT/s, 72 watt thermal design power (TDP), socket FCLGA1151) Retail
HP 871809-001 - Intel Xeon E3-1220 V6 Four-Core 64-bit processor - 3.0GHz (Kaby Lake, 8MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 8.0 GT/s, 72 watt thermal design power (TDP), socket FCLGA1151) Retail
HP 504583-001 - Intel Xeon X5530 Quad-Core 64-bit processor - 2.40GHz (Nehalem-EP, 8MB Level-3 cache, Intel QuickPath interconnect (QPI) speed 6.4 GT/s, 60 watt thermal design power (TDP), socket FCLGA 1366) Retail