ASUS TA-D31. Power supply: 0 W. Width: 190 mm, Depth: 476 mm, Height: 434 mm. Ventilation fan(s): Front: 120 mm x 1 Rear: 120/92/80 mm x 1, Internal drive bays: 6 x 3.5", External drive bays: 4 x 5.25", 1 x 3.5"