Chieftec DF-01B-OP. Power supply: 0 W. Front fans diameters supported: 92, 120 mm, Side fans diameters supported: 120 mm, Rear fans diameters supported: 120 mm. Width: 200 mm, Depth: 487 mm, Height: 430 mm. Internal drive bays: 5 x 3.5”, External drive bays: 3 x 5.25”, 1 x 3.5” This is an auto-generated long summary based on the first three features of the first five feature groups.