iStarUSA D-407L-50R8PD2 Black Material of Front Bezel: Aluminum alloy Material of Handle: SECC Zinc-Coated Steel Material of Main Chassis: 1.2mm SECC Zinc-Coated Steel (Japan Made) 4U Rackmount High Performance Rackmount Chassis with 500W Motherboard Compatibility: 12 x 13 (Micro ATX / ATX / Extended ATX) Power Supply: 500W Redundant External 5.25 Drive Bays: 7 External 3.5 Drive Bays: 1 Internal 3.5 Drive Bays: 1 Expansion Slots: 7 Front Ports: 2 x USB 2.0 80mm Fans: 1