ASUS Crosshair V Formula AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Republic of Gamers Series Motherboard Advanced BIOS Technology - New innovated and intuitive BIOS Extreme Engine Digi+ & Dual CPU Power Connectors - New level of performance optimization AMD 990FX / SB950 Chipset AMD Socket AM3+ FX / Phenom II / Athlon II / Sempron 100 Series Processors SupremeFX X-Fi 2 8-Ch audio with EAX Advanced HD 5.0 support AMD Socket AM3+ FX / Phenom II / Athlon II / Sempron 100 Series Processors AMD 990FX / SB950 Chipset SupremeFX X-Fi 2 8-Ch audio with EAX Advanced HD 5.0 support Extreme Engine Digi+ & Dual CPU Power Connectors - New level of performance optimization Advanced BIOS Technology - New innovated and intuitive BIOS GameFirst - Prioritize packets with an intuitive interface ROG Connect - Tweak MB key settings in hardcore way 3 x PCIe2.0 x16 slots (dual @x16, triple @x16 x8 x8) with NVIDIA 3-Way SLI and AMD CrossFireX Technology