ASUS VENTO 7700, Midi Tower, PC, Black, Silver, ATX, 270 mm, 521 mm ASUS VENTO 7700. Form factor: Midi Tower, Type: PC, Product color: Black, Silver. Width: 270 mm, Depth: 521 mm, Height: 630 mm. Ventilation fan(s): 80 x 1 / 80 x 2, Internal drive bays: 3.5" x 4, External drive bays: 5.25" x 4 / 3.5" x 2