Supermicro 5016I-URF. Processor socket: Socket 1156, Motherboard chipset: Intel 3420. Maximum internal memory: 32 GB, Memory voltage: 1.5 V. RAID levels: 0, 1, 5, 10. Graphic adapter: G200eW, Maximum graphics adapter memory: 16 MB. LAN controller: Intel 82574L, Networking features: Gigabit Ethernet