The major features of C480 are, the aluminum extrusion hold-down card clamp can be adjusted by forward, backward, up, down, left, right direction in order to meet different air flow requirement from cooling fans. Furthermore, it uses the metallurgy die-casting handles that are extremely durable mechanism for the whole chassis. It uses SGCC 1.0mm thickness of sheet metal that the edges or the other parts of section designed with no-burrs protection keeping away from hurting hands. Additionally, it can be installed with not only regular 12"x9.6"ATX motherboard but also 12"x10.5" eATX serverboard within 480mm depth of chassis, welcome worldwide distribution.