Supermicro SuperServer 6015B-3V, Silver. Processor socket: Socket 771, Maximum CPU clock speed supported: 3400 MHz, Motherboard chipset: Intel 5000P. Maximum internal memory: 32 GB. RAID levels: 0, 1, 5, 10, Number of hard drives supported: 4x3.5", Supported hard disk drive interfaces: SAS. Graphic adapter: ES1000, Maximum graphic adapter memory: 16 MB. LAN controller: Intel 82563EB, Networking features: Gigabit Ethernet