Features: 1.Excellent Heat Dissipation: The open chassis design is conducive to the heat dissipation of various hardware and frees up the internal space of the chassis. 2.Split Hardware Structure: The split hardware structure provides you with a large internal installation space. 3.Strong Compatibility: Support MATX motherboard (244 x 244MM), power supply supports ATX ordinary large power supply, support expansion of a hard disk storage (3.5 or 2.5 inches can be installed), support 4 PCI expansion slots. 4.Easy Disassembly Assembly: It is a bare building block frame, easy to disassemble, easy to assemble, and can fully experience the fun of DIY. 5.Premium Materials: It is made of aluminum, which is strong, durable, stable in use and has a long service life. specification:Item Type: MATX Computer Open Case Bracket Material: Aluminum Model: PC JMK6 MATX Applicable Motherboard: MATX Motherboard (Approx.244 x 244mm / 9.6 x 9.6in) Power Supply Design: ATX Ordinary Large Power Supply Heat Dissipation Performance: Full Naked 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 PackageList:6 x Bracket1 x Positioning Paper4 x Foot Pad1 x Power Cable7 x Right Angle Connecting Plate4 x Support Rod4 x Screw4 x Gasket7 x Acrylic Connection Board4 x Black Bumper Cover1 x Accessory Box2 x Gloves1 x 01 Accessories Package1 x 02 03 Accessories Package1 x 04 Accessories Package1 x 05 Accessories Package1 x 06 Accessories Package1 x 07 Accessories Package1 x 08 Accessories Package1 x 09 Accessories Package1 x User Manual Note1. The chassis needs to be DIY installed by yourself, and you must be patient to assemble it according to the steps in the user manual. 2. Some panels are designed to be disassembled at one time, you need to consider it before starting. 3. The main board is of MATX structure, and the size must be within 244 x 244mm. 4. Regular maintenance of the acrylic panel will keep the original brightness after tearing the film for a long time.