Welcome to the store! Excellent Heat Dissipation: The open chassis design promotes heat dissipation for various hardware components and frees 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 power supplies, hard drive storage expansion (3.5 or 2.5 inches can be installed), and 4 PCI expansion slots. Easy Disassembly and Assembly: This bare building block frame is easy to disassemble and assemble, allowing you to fully experience the fun of DIY. Premium Material: Made of aluminum, which is strong, durable, stable, 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 244 mm / 9.6 x 9.6 in) Power Supply Design: ATX standard large power supply Heat Dissipation: Full bare heat dissipation Support Expansion Hard Drive Bay: 1 (3.5 or 2.5 inches can be installed) Support PCI Expansion Slot: 4 Switch Interface: Start, restart switch, and indicator light Bottom Frame Size After Assembly: L360 x W248mm Includes: Mounting brackets, positioning paper, foot plates, power cable, connecting plates, rod supports, screws, gaskets, acrylic connecting plates, bumper protectors, accessory boxes, gloves, and accessory packages. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!