Linkworld Electronic LLC. Mid ATX Tower Case 725-21-C2121U+LPJ2-23P4 (Black) Chassis Security Rings & Kensington Security Slot Frontal Top Installed 4-Port USB2.0 and Audio Jack Support Standard ATX and Micro ATX Motherboard 7 Rear Expension Slots Comply with ROHS Sleek Piano Black Front Panel