Biostar A770E3. Supported memory types: DDR3 800/1066/1333 MHz, Maximum internal memory: 16 GB. Processor family: AMD, Processor socket: Socket AM3, Processors compatible: Phenom II X4, Phenom II X3, Phenom II X2, Athlon II X4, Athlon II X3, Athlon II X2, Sempron. Audio system: Realtek ALC662, Audio output channels: 5.1. Width: 30.5 mm, Depth: 20.5 mm. Networking features: Gigabit Ethernet, LAN controller: Realtek RTL8111D(L)