ASUS TM-B22, Midi Tower, PC, Black, Silver, ATX, 180 mm, 462 mm ASUS TM-B22. Form factor: Midi Tower, Type: PC, Product colour: Black, Silver. Width: 180 mm, Depth: 462 mm, Height: 408 mm. Ventilation fan(s): Front: 80 mm x 2 Rear: 80 mm x 1, Internal drive bays: 5 x 3.5", External drive bays: 4 x 5.25", 1 x 3.5"