MS-Tech XERXES. Front fans installed: 1x 120 mm, Front fans diameters supported: 120 mm, Rear fans diameters supported: 80, 92, 120 mm. Width: 190 mm, Depth: 467 mm, Height: 470 mm. Internal drive bays: 4 x 3.5", External drive bays: 9 x 5.25"