Specifications, Mfr Part Number: BL631, 300TBL, Case Type: Slim Desktop Case, Color: Black, M/B Type: Micro ATX, Drive Bays: 4, External Bay: 1x 5, 25""""; 1x 3, 5"""", Internal Bay: 2x 3, 5"""" , Expansion Slots: 4x Low Profile Expansion Slots, Cooling System: Intel Lanyu Ref, Design Partition Plate Cooling Tech (PPCT); Optional 80mm Side Fan; Optional Removable Air Filter, Side Windows: No, Front I/O Panel: 4x USB2, 0 Ports; 1x Speaker; 1x Mic, Power Supply: 300W Power Supply, Dimensions (WxDxH): 3, 8 x 14, 4 x 13 inch / 96 x 365 x 330 mm SKU: MALB3570