ASUS SABERTOOTH 990FX R2.0. Memory slots type: DIMM, Supported memory types: DDR3-SDRAM, Memory channels support: dual. Processor family: AMD, Processor socket: Socket AM3+, System bus: 5.2 GT/s. Audio system: Realtek ALC892, Audio output channels: 7.1. PCI Express slots version: 2.0, 3.0, PCI Express configurations: 1x1, 1x16, 1x4, 2x16, 2x8. Width: 305 mm, Depth: 244 mm