Welcome to our store! We are pleased to present our basic building block frame. It is a lightweight and convenient disassembly frame that can be stacked. With its simple structure, it is easy to assemble and allows you to fully experience the fun of DIY. Made of high-quality 20*20 aluminum alloy, this frame is stable for use and has good heat dissipation capabilities thanks to its open design. It also supports ATX standard large power supply. Specification: - Type: Basic building block frame - Applicable motherboard: ITX (17*17cm/6.7*6.7in) - Power: ATX - Heat dissipation: Basic - Assembly: DIY - Extended hard drive position: 1pc - PCI Extended slot: 2pcs - Switch 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 instruction - 1 accessory instruction 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, so think carefully before you start. 3. The motherboard should be ITX structure with a size of 170*170mm or less. 4. Regular maintenance of the acrylic panels will maintain their original brightness after the protective film is removed. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.