Biostar NF720D A2G+. Supported memory types: DDR2 533/667/800/1066 MHz, Maximum internal memory: 16 GB. Processor family: AMD, Processor socket: Socket AM2. Audio system: Realtek ALC662, Audio output channels: 5.1. Width: 293 mm, Depth: 189 mm. RAID levels: 0, 1, 5, 0+1