The M4A89GTD PRO/USB3 features AMD 890GX + SB850 chipset supporting AMD ?s latest AM3 and multi-core CPUs to provide excellent system performance and overclocking capabilities. DDR3 Dual channel memory supports up to 1866 MHz(O.C.) to unleash system performance. Onboard USB 3.0 support meets the ever increasing demand for today?s high-capacity, high-speed storage. ASUS Core Unlocker2 is the easiest way to intelligently unlock latent cores on AMD x2 and x3 CPUs via a single press of a button. No need to enter the bios! An instant performance boost can be achieved with Turbo Key II by auto-tuning the processor to an extreme yet stable state. The Hybrid Processor combines GPU Boost and TurboV EVO to overclock the integrated GPU and processor for real-time results. The user-friendly UI of GPU Boost facilitates flexible frequency and voltage adjustments to deliver multiple overclocking profiles to provide rapid and stable system-level upgrades. ASUS EPU is the world?s 1st system-level energy saving technology.