Biostar P35D2-A7. Supported memory types: DDR2 533/667/800 MHz, Maximum internal memory: 8 GB. Processor family: Intel, Processor socket: Socket 775, Compatible processor series: Celeron D, Core 2 Duo, Core 2 Quad, Intel Core 2 Extreme, Pentium 4, Pentium D. Audio system: Realtek ALC662, Audio output channels: 5.1. Width: 305 mm, Depth: 205 mm. Networking features: 10/100/1000 Mbps, LAN controller: Realtek RTL8111B