ASUS TA-B22, Midi Tower, PC, Black, Silver, ATX, 180 mm, 464 mm ASUS TA-B22. Form factor: Midi Tower, Type: PC, Product colour: Black, Silver. Width: 180 mm, Depth: 464 mm, Height: 408 mm. Internal drive bays: 5 x 3.5", External drive bays: 4 x 5.25", 1 x 3.5"