Gigabyte X79 series motherboards are the first to take advantage of the exclusive Gigabyte 3D Power, a hardware & software-based digital power engine for both the PWM & memory that delivers unprecedented power delivery control. The GIGABYTE X79-UP4 delivers the industry's most scalable graphics platform, with support for both 4-way AMD Crossfire X & Nvidia SLI. Providing 4 PCI Express 3.0 x 16 connectivity, X79-UP4 delivers ultra smooth 3D rendering, blazing-fast frame rates & enhanced graphics capabilities for users wanting to get the highest level of graphics performance from their system.