HP 594880-001 Intel Xeon X5680 Six-Core 64-bit processor - 3.33GHz (Westmere-EP, 12MB Level-3 cache, Intel QuickPath Interconnect (QPI) speed 6.4 GT/s, 130 watt Thermal Design Power (TDP), FCLGA 1366 socket)

List of compatible models includes: DL370 G6 E5645 SFF Base AP Svr, DL370 G6 X5550 SFF HPM ICE AP Svr, DL370 G6 X5650 SFF Perf CN Svr, DL370G6 E5504 G2 Inw Svr, DL370G6 E5540 2P SP7367AT Atr Svr, DL370G6 X5650 2P PR1209US Svr, Intel Xeon Processor X5680 6-Core 3.33GHz, 130W, ML370 G6 E5620 SFF Entry AP Svr, ML370 G6 E5620 SFF Entry JP Svr, ML370 G6 E5649 SFF Base EU Svr, ML3706G E5620 SP7469BE Svr, ML370G6 1P E5606 SP1018 PR Svr, ML370G6 1P OEM Shc Svia-B 2A Svr, ML370G6 2P OEM Shc Svia-B 3A Svr, ML370G6 E5520 SP7064TV EU Svr, ML370G6 E5640 SFF Base AU Svr, ML370G6 E5640 SFF Base UK Svr, ML370T06 E5530 2P SP7368 Svr, ProLiant DL370 G6 Special Rack Server, SL170s G7 X5680 FIO Kit, X5680 DL160 G6 Factory Installed Option Processsor Kit, X5680 SL2x170z G6 Factory Installed Option Processor Kit