Supermicro SuperServer 1027R-WRF. Processor socket: Socket R (2011), Processor family: Intel, Compatible processor series: Xeon. Maximum internal memory: 512 GB, Memory voltage: 1.35, 1.5 V, Supported memory types: DDR3-SDRAM. RAID levels: 0, 1, 5, 10, Supported hard disk drive interfaces: SAS, Serial ATA II, Serial ATA III, Supported hard disk drive sizes: 63.5 mm (2.5 "). Networking features: Gigabit LAN, Ethernet LAN data transfer rates: 10, 100, 1000 Mbit/s. Form factor: 1U