Features: 1.The product is lightweight and easy for installing and disassembling, which can be stacked. 2.Open frame design, good for heat dissipation, and the computer case is suitable for overclocking testing. 3.Easy assembling with the simple structure, you can fully enjoy the fun of DIY. 4.Adopting high craft, precise hole position, convenient for install. 5.Adopt excellent 20x20 aluminum alloy material, sturdy and durable, and supports for ATX ordinary large power supply. specification:Item Type: Computer Case Case Style: Nude building blocks frame Applicable Mainboard: ATX (305x244mm/12x9.6in) Power: ATX ordinary large power supply Heat Dissipation: Nude Assembly: DIY Extended Hard Disk Position: 1 (3.5in or 2.5in) PCI Extended Card Slot: 4 Switch Interface: Start/restart switch and indicator light Material: 20x20 Aluminum Alloy/Acrylic Accessories PackageList:6 x Black Brackets1 Box of Auxiliary Tool1 Box of Screw (plastic box)1 x Installation Instruction1 x Accessories Instruction Note1. The computer case needs to be installed by yourself. Please be patient and assemble according to the instructions. 2. Some panels are designed with one-time disassembly, which should be considered carefully before starting. 3. The main board is ATX structure, the size must be 305x244mm/12x9.6in or smaller. 4. Regular maintenance of acrylic panels will maintain the original bright after tear off the film.