Asrock 939A785GMH. Supported memory types: DDR-SDRAM, Memory slots type: DIMM, Memory channels support: dual. Processor family: AMD, Compatible processor series: Athlon, Athlon FX, Athlon X2, Processor socket: Socket 939. Audio output channels: 7.1, Audio system: Realtek ALC888. PCI Express slots version: 2.0. Width: 244 mm, Depth: 218 mm