Welcome to our store! 1. Excellent Heat Dissipation: The open chassis design promotes air circulation, aiding in heat dissipation for various hardware components and fully utilizing the internal chassis space. 2. Optimized Spacing: The ITX computer open case bracket provides ample internal installation space, and the divided hardware construction maximizes every millimeter. 3. Strong Compatibility: Supports ITX motherboards (17x17cm), ATX standard large power supplies, hard drive expansion (3.5 or 2.5 inches can be installed), and two PCI expansion slots. 4. Easy to Assemble: The computer open case bracket is a bare block frame, lightweight and easy to disassemble, stackable, easy to assemble, and simple in structure, allowing you to fully experience the fun of DIY. 5. Open Design: The aluminum DIY naked frame breaks the shackles of traditional chassis structure, further expands the internal space of the chassis, and offers a higher degree of freedom in the open structure. Item Type: ITX Computer Open Case Bracket Material: Aluminum Alloy Applicable Motherboard: ITX Motherboard (Approx. 17 x 17 cm / 6.7 x 6.7 in) Applicable Power Supply: ATX Ordinary Large Power Supply Hard Drive Bay Expansion Support: 1 (3.5 or 2.5 inches can be installed) Support PCI Expansion Slot: 2 Switch Interface: Start, Restart Switch and Indicator Light Bottom Frame Size After Assembly: L315 x W210mm Includes: 5 x Aluminum Alloy Bracket 1 x User Manual 2 x Paper 4 x Foot Pad 1 x Power Cord 2 x Support Rod 7 x Right Angle Connection Plate 2 x Screw 2 x Gasket 5 x Acrylic Coupling Board 4 x Black Protective Sheet 2 x Gloves Accessory Packages: 01, 02/03, 04, 05, 06, 07, 08, 09 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 after-sales service.