Biostar N68S3B. Supported memory types: DDR3, Supported memory clock speeds: 800, 1066, 1333 MHz, Maximum internal memory: 8 GB. Processor family: AMD, Processor socket: Socket AM3, Compatible processor series: AMD Phenom II X3, AMD Phenom II X4, AMD Sempron. Audio system: VIA VT1708B, Audio output channels: 6.1. Width: 235 mm, Depth: 170 mm. RAID levels: 0, 1