TUF X299 Mark 1 is the ultra-durable ATX motherboard for enthusiasts, modders and gamers who demand reliable performance day in, day out. Military-grade components are stringently tested, and the TUF Fortifier and VGA Holder provide vital reinforcements -- preventing motherboard bending and graphics-card sag. An extensive QVL guarantees compatibility with hundreds of components for complete system stability, while the 5-year warranty offers total peace of mind.