Linkworld Electronic LLC. CD/DVD-RW Duplicator Tower Cases 5020-01 C2222 (Black) 9-Bay CD/DVD-RW Duplicator Tower Case Nine 5.25-Inch Drive Bays 550W Power Supply with 9 Molex Connector 12 CM Rear Cooling Fan Installed Room for 2 Additional 12 CM Cooling Fans at Bottom and 2 Additional 8 CM cooling Fans on Rear Reserved Position for 3.5-Inch HDD Mounting at Bottom