Supermicro SuperServer 5015M-MR+B (Black). Processor socket: Socket 775, Processor front side buses supported: 1066 / 800 / 533 MHz, Compatible processor series: Celeron D, Pentium 4, Pentium Extreme Edition. Maximum internal memory: 8 GB, Supported memory types: DDR2 667/533MHz. Supported hard disk drive interfaces: SATA. Graphic adapter: ES1000. LAN controller: Intel 82573V/82573L, Networking features: Gigabit Ethernet