Biostar G31M. Memory channels support: dual, Supported memory clock speeds: 533, 667, 800 MHz, Maximum internal memory: 4 GB. Processor family: Intel, Compatible processor series: Celeron, Core 2 Duo, Pentium 4, Pentium Dual-Core, Processor socket: Socket 775. Audio system: VIA VT1708B. Width: 225 mm, Depth: 170 mm. Networking features: Fast Ethernet, LAN controller: Realtek RTL8103E(L), Ethernet interface type: Fast