Chieftec DF-01B-OP, Midi Tower, PC, Black, ATX, micro ATX, 92,120 mm, 120 mm Chieftec DF-01B-OP. Form factor: Midi Tower, Type: PC, Product color: Black. Front fans diameters supported: 92,120 mm, Side fans diameters supported: 120 mm, Rear fans diameters supported: 120 mm. Width: 7.87" (200 mm), Depth: 19.2" (487 mm), Height: 16.9" (430 mm). Internal drive bays: 5 x 3.5”, External drive bays: 3 x 5.25”, 1 x 3.5”