Four Tempered Glass Panels : Edge to edge glass side panels on both sides, a glass top panel, and a glass front panel offer a clear and comprehensive system view Glass & Mesh Options Included : Choose between the glass front panel for a balance of aesthetics and performance or run full mesh for optimized airflow with the included accessory Rich Connectivity : The I/O panel comes with a USB 3.1 (Gen 2) Type C port, and 4 additional USB 3.0 ports.Body material:Steel Covers For Clean Building : A total of 9 covers take clean building to the next level with a PSU cut out cover that provides the option of showing off your PSU or leaving it out of sight Two 200 millimeter Addressable RGB Fans & Controller : Move air stylishly and quietly with 2 Addressable RGB Fans controlled by an included ARGB controller Expansion Slots: 7 Plus