Gigabyte MIB T3140. Material: ABS synthetics. Power supply: 100 W. Width: 268 mm, Depth: 319 mm, Height: 70 mm. Internal drive bays: 1 x 3.5", External drive bays: 1 x slim ODD, 1 x 3.5", Main board size: 171.4 x 171.4 mm (6.75 x 6.75 ")