AM3+AMD Socket AM3+ for AMD FX Series - CPU up to 8-core - AMD FX Series / Phenom&trade II / Athlon&trade II / Sempron&trade100 Series Processors (socket AM3+/AM3)M5A99X EVO supports AMD AM3+/AM3 multi-core processors with unique L3 cacheand delivers better overclocking capabilities with less power consumption. - Quad-GPU SLI and Quad-GPU CrossFireXSupport! Flexible Multi-GPU solutions, Your Weapon of Choice! M5A99X EVO brings you the multi-GPU choice of either SLI&trade orCrossFireX. Expect a brand-newgaming style you’ve never experienced before! Digital Power - Design: The New Standard - Herald the Arrival ofa New Digital Power Design EraCrossFireX SupportIntelligentlyUnlocks True Core Performance - Double USB Access,Double Convenience ASUS facilitates strategic USB 3.0 accessibility for both the front and rearpanel - 4 USB 3.0 ports in total. Experience the latest plug & playconnectivity at speeds up to 10 times faster than USB 2.0. The M5A99X EVO affordsgreater convenience to high speed connectivity. - The onboard 8-channel HDaudio (High Definition Audio, previously codenamed Azalia) CODEC enableshigh-quality 192KHz/24-bit audio output and jack-detect feature thatautomatically detects and identifies what types of peripherals are plugged intothe audio I/O jacks and notifies users of inappropriate connection, which meansthere will be no more confusion of Line-in, Line-out, and Mic jacks - Full Specification Here