Biostar TA870U3+. Supported memory clock speeds: 800, 1066, 1333, 1600 MHz, Maximum internal memory: 16 GB. Processor family: AMD, Compatible processor series: Athlon II X2, Athlon II X3, Athlon II X4, Phenom II X2, Phenom II X4, Phenom II X6, Sempron, Processor socket: Socket AM3. Audio output channels: 5.1, Audio system: Realtek ALC662. Width: 305 mm, Depth: 220 mm. RAID levels: 0, 1, 5, 10