Sapphire ATX AMD 990FX. Supported memory types: DDR3-SDRAM, Memory channels support: dual, Supported memory clock speeds: 1600, 1866 MHz. Processor family: AMD, Compatible processor series: Athlon FX, Athlon II, Phenom FX, Phenom II Dual-Core Mobile, Sempron, Processor socket: Socket AM3+. Audio output channels: 7.1, Audio system: Realtek ALC892. PCI Express slots version: 2.0. Width: 304 mm, Depth: 244 mm