iStarUSA DN-300 Color of Front Bezel: Black Color of Main Chassis: Black Material of Front Bezel: Aluminum Material of Handle: Aluminum Material of Main Chassis: SGCC 1.0mm 3U Rackmount 5.25 3-Bay Compact microATX Chassis 3 External 5.25 Motherboard Compatibility: 9.6 x 9.6 (microATX, mini-ITX) External 5.25 Drive Bays: 3 Internal 3.5 Drive Bays: 4 Expansion Slots: 4 Front Ports: 2 x USB 3.0 Dimensions (H x W x D): 5.25 x 18.98 x 19.26