Supermicro PDSM4+. Memory voltage: 1.8 V, Supported memory clock speeds: 533, 667 MHz, Maximum internal memory: 8 GB. Processor socket: Socket 775. Storage temperature range (T-T): -40 - 70 °C, Operating temperature range (T-T): 10 - 35 °C, Operating relative humidity range: 8 - 90 %. Width: 305 mm, Depth: 244 mm. Controller interface type: Intel ICH7R, RAID levels: 0, 1, 5, 10