HP AMD Opteron 6166 HE, AMD Opteron, Socket G34, 45 nm, 6166 HE, 1.8 GHz, Server/workstation HP AMD Opteron 6166 HE. Processor family: AMD Opteron, Processor socket: Socket G34, Processor lithography: 45 nm. Market segment: Server. L1 cache: 0.128 MB, Temperature (max): 65 °C, Compatibility: DL385 G7