Supermicro SuperServer 6015C-NTRB, Black. Processor socket: Socket 771, Maximum CPU clock speed supported: 3400 MHz. Maximum internal memory: 64 GB. RAID levels: 0, 1, 5, 10. Graphic adapter: ES1000, Maximum graphics adapter memory: 32 MB. LAN controller: Intel 82575EB, Networking features: Gigabit Ethernet