Features: 1. It is a bare building block frame, light and convenient to disassemble, which can be stacked. 2. Easy assembly with simple structure, you can fully experience the joy of DIY. 3. Made of high-quality 20*20 aluminum alloy, stable for use. 4. Open frame design has good heat dissipation performance. 5. Supports ATX common large power supply. Specification: Type: Block Bare Frame Applicable motherboard: ITX (17*17cm/6.7*6.7in) Power: ATX Heat dissipation: Bare Assembly: DIY Extended hard disk position: 1pc PCI extended card slot: 2pcs Switching interface: Start/restart switch and indicator light Material: Aluminum alloy + Acrylic accessories Size: Approx. 315*210*154mm/12.4*8.3*6.1in Color: As pictures show Weight: Approx. 907g Package List: 3 * Black Brackets 2 * Red Brackets 1 Box of Tools 1 Pack of Screws 1 * Installation Instructions 1 * Accessory Instructions Note: 1. The computer case must 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 carefully considered before starting. 3. The main board is ITX structure, the size must be 170 * 170mm or less. 4. Regular maintenance of acrylic panels will maintain the original bright after the film is torn off. .