Feature: 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 Package List: 6 x Bracket1 x Positioning Paper 4 x Foot Pad 1 x Power Cable 7 x Right Angle Connecting Plate 4 x Support Rod 5 x Screw 5 x Gasket 7 x Acrylic Connection Board 4 x Black Bumper Cover 1 x Accessory Box 2 x Gloves Accessories Package 1 x User Manual