Zalman Z9 Plus. Material: Plastic, Steel. Front fans installed: 1x 120 mm, Front fans diameters supported: 120, 140 mm, Side fans installed: 1x 120 mm. Width: 207 mm, Depth: 504 mm, Height: 464 mm. Power supply type: ATX12V, Dimensions (WxDxH): 207 x 504 x 464 mm, Internal drive bays: 3.5" x 5, 2.5" x 1