Zalman Z11, Midi Tower, PC, Black, ATX, micro ATX, Plastic, Steel, Blue Zalman Z11. Form factor: Midi Tower, Type: PC, Product color: Black. Front fans installed: 1x 120 mm, Front fans diameters supported: 120,140 mm, Side fans installed: 2x 80 mm. Supported HDD sizes: 2.5,3.5". Width: 10.2" (260 mm), Depth: 20.7" (525 mm), Height: 19.6" (498 mm)