Welcome to our store! Excellent Heat Dissipation: The open chassis design promotes heat dissipation for various hardware components, freeing up internal chassis space. Split Hardware Structure: The split hardware structure provides ample internal installation space. Strong Compatibility: Supports MATX motherboards (244 x 244MM), ATX standard large power supplies, hard drive storage expansion (3.5 or 2.5 inch can be installed), and 4 PCI expansion slots. Easy Disassembly and Assembly: This is a pure building block frame, easy to disassemble and assemble, allowing you to fully experience the fun of DIY. Premium Material: Made of aluminum, which is strong, durable, stable in use, and has a long service life. Item Type: MATX Computer Open Chassis Bracket Material: Aluminum Model: PC JMK6 MATX Applicable Motherboard: MATX Motherboard (Approx. 244 x 244mm / 9.6 x 9.6in) Power Supply Design: ATX Standard Large Power Supply Heat Dissipation Performance: Full Naked Heat Dissipation Supports Expansion Hard Drive Bay: 1 (3.5 or 2.5 Inch Can Be Installed) Supports PCI Expansion Slot: 4 Switch Interface: Start, Restart Switch and Indicator Light Bottom Frame Size After Assembly: L360 x W248mm Includes: 6 x Bracket 1 x Positioning Paper 4 x Foot Pad 1 x Power Cable 7 x Right Angle Connection Plate 4 x Support Rod 4 x Screw 4 x Washer 7 x Acrylic Connection Card 4 x Black Bumper Protector 1 x Accessories Box 2 x Gloves 1 x 01 Accessories Package 1 x 02 03 Accessories Package 1 x 04 Accessories Package 1 x 05 Accessories Package 1 x 06 Accessories Package 1 x 07 Accessories Package 1 x 08 Accessories Package 1 x 09 Accessories Package 1 x User Manual Customer satisfaction is our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.