Lian Li O11 Full Tower Case is O11Dynamic XL ROG Certified case. This case is support in E-ATX, ATX, micro-ATX, and mini-ITX motherboards, this full tower aluminum case features eight full-size expansion slots alongside modular trays for installing cooling fans or up to 6 x 2.5" drives bays. The O11 Dynamic XL Full Tower Case comes with a stylish design with tempered glass front and side panels that allow people to see the beauty of your build, accented by the built-in ASUS ROG Aura Sync-compatible addressable RGB light strip. This New case also includes two USB 3.1 Gen 1 Type-A ports, one USB 3.1 Gen 1 Type-C port, and two separate 3.5mm audio jacks for your headphones and microphone. The new Lian Li case is build in 1.0 mm ALUMINUM EXTERIOR, 4.0 mm TEMPERED GLASS LEFT SIDE AND FRONT PANELS, 1.0 mm SPCC Interior, and this case also has 3 X 120 mm (side) + 1 X 120 mm (rear) + 3 X 120 mm/2 x 140 mm (base) + 3 X 120 mm/2 x 140 mm (top) (Optional) Fan. This Casing support 10 X 2.5” SSD or 6 X 2.5” SSD + 4 X 3.5” HDD drives, 446 mm GPU length, 167 mm CPU clearance. In this case, It has 4 X USB 3.0 (2 on the front, 2 at the front case feet), 1 X USB 3.1 TYPE-C, 1 X HD AUDIO ports with 1 X TOP, 1 X BOTTOM, 2 X SIDE dust filters. Here, the removable drive/fan trays allow for quick and easy storage drive installation. Hot swappable drive bays allow you to change out drives without having to shut down the system.