Welcome to our store! Excellent Heat Dissipation: The open chassis design promotes optimal airflow, enhancing heat dissipation for various hardware components and fully utilizing the chassis's internal space. Ample Space: The ATX computer open chassis bracket provides a vast internal installation area, and the divided hardware structure maximizes every millimeter. Strong Compatibility: Supports ITX motherboards (305 x 244 mm), ATX standard large power supplies, hard drive storage expansion (3.5 or 2.5 inches can be installed), and 4 PCI expansion slots. Easy to Assemble: This open computer chassis bracket is a bare frame, lightweight and easy to disassemble, stackable, and simple to assemble, allowing you to fully experience the joy of DIY. Open Design: The aluminum DIY bare frame breaks free from traditional chassis design constraints, further expanding the internal space and offering a higher degree of freedom in its open structure. Item Type: ATX Computer Open Chassis Bracket Material: Aluminum Alloy Applicable Motherboard: ATX Motherboard (Approx. 305 x 244 mm / 12 x 9.6 in) Applicable Power Supply: ATX Standard Large Power Supplies Hard Drive Bay Expansion Support: 1 (3.5 or 2.5 inches can be installed) PCI Expansion Slot Support: 4 Switch Interface: Start, Restart Switch, and Indicator Light Bottom Frame Size After Assembly: Approx. 422.5 x 248 mm / 16.6 x 9.8 in Package Includes: 6 x Bracket 4 x Foot Plate 7 x Right Angle Connecting Plate 7 x Support Rod 1 x Power Cord 7 x Screw 7 x Gasket 7 x Acrylic Connecting Board 4 x Black Protective Sheet 1 x Accessory Bag 1 x Paper Piece 2 x Gloves 1 x User Manual 1 x 01 Accessory Package 1 x 02/03 Accessory Package 1 x 04 Accessory Package 1 x 05 Accessory Package 1 x 06 Accessory Package 1 x 07 Accessory Package 1 x 08 Accessory Package 1 x 09 Accessory Package Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We are committed to providing you with the best possible customer service.