This motherboard supports AMD Socket AM3 multi-core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption. It features dual-channel DDR3 1333 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport 3.0 based system bus. This motherboard also supports AMD CPUs in the new 45nm manufacturing process.AMD 790FX Chipset is designed to support up to 5200MT/s HyperTransport 3.0 (HT 3.0) interface speed and quad PCI Express 2.0 x16 graphics. It is optimized with AMD latest AM3 and multi-core CPUs to provide excellent system performance and overclocking capabilities.This motherboard supports native DDR3 1600(O.C.) that provides faster data transfer rate and more bandwith to increase memory computing efficiency, enhancing system performance in 3D graphics and other memory demanding applications. DDR3 1600(O.C.) is supported by AM3 CPUs only. Refer to www.asus.com for the supported CPU models.This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth which enhances system performance.ATIs CrossFireX boosts image quality along with rendering speed, eliminating the need to scale down screen resolution to get high quality images. CrossFireX allows higher anti-aliasing, anisotropic filtering, shading, and texture settings. Adjust your display configurations, experiment with the advanced 3D settings, and check the effects with a real-time 3D-rendered previews within ATI Catalyst Control Center.