Intel E5640, Xeon. Processor socket: Socket 1366, Processor clock speed: 2660 MHz, Processor family: Intel Xeon. Maximum RAM supported: 288 GB, Supported memory clock speeds: 800, 1066 MHz, Memory bandwidth (max): 25.6 GB/s. Thermal power: 80 W, VID Voltage Range: 0.75 - 1.35 V. Maximum operating temperature: 77.6 °C