ASUS TA-863, Midi Tower, PC, Black, ATX, 180 mm, 400 mm ASUS TA-863. Form factor: Midi Tower, Type: PC, Product colour: Black. Width: 180 mm, Depth: 400 mm, Height: 412 mm. Internal drive bays: 3.5" x 4, External drive bays: 5.25" x 4, 3.5" x 2, Main board size: ATX; microATX