Gigabyte GA-990XA-UD3. Supported memory types: DDR3, Memory channels support: dual, Memory voltage: 1.5 V. Processor family: AMD, Processor socket: Socket AM3+, Compatible processor series: Phenom II X6, Phenom II X4, Phenom II X2, Athlon II X4, Athlon II X3, Athlon II X2, Athlon FX. Audio system: Realtek ALC889, Audio output channels: 7.1. Width: 305 mm, Depth: 244 mm. RAID levels: 0, 1, 5, 10, JBOD