Welcome to the store! 1. Excellent Heat Dissipation: The open chassis design promotes heat dissipation for various hardware components and frees up internal chassis space. 2. Split Hardware Structure: The split hardware structure provides ample internal installation space. 3. Strong Compatibility: Supports MATX motherboards (244 x 244MM), ATX standard large power supplies, expandable storage for one hard drive (3.5 or 2.5 inch), and 4 PCI expansion slots. 4. Easy Disassembly and Assembly: This is a bare building block frame, easy to disassemble and assemble, allowing you to fully experience the fun of DIY. 5. Premium Material: Constructed from aluminum, ensuring strength, durability, stability, and a long service life. Item Type: MATX Computer Open Case Bracket Material: Aluminum Model: PC JMK6 MATX Applicable Motherboard: MATX Motherboard (Approx. 244 x 244 mm / 9.6 x 9.6 inches) Power Supply: ATX Standard Large Power Supply Heat Dissipation Performance: Fully exposed heat dissipation Hard Drive Bay Expansion Support: 1 (3.5 or 2.5 inch can be installed) PCI Expansion Slot Support: 4 Switch Interface: Power, Reset Switch, and Indicator Light Bottom Frame Size After Assembly: L360 x W248mm Package Contents: 6 x Brackets 1 x Positioning Paper 4 x Foot Pads 1 x Power Cord 7 x Right-Angle Connector Plates 4 x Support Rods 4 x Screws 4 x Gaskets 7 x Acrylic Connector Boards 4 x Black Bumper Covers 1 x Accessory Box 2 x Gloves 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 1 x User Manual Your 100% satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!