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 (5 or 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. 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 Item Type: MATX Computer Open Case BracketMaterial: AluminumModel: PC JMK6 MATXApplicable Motherboard: MATX Motherboard (Approx.244 x 244mm / 9.6 x 9.6in)Power Supply Design: ATX Ordinary Large Power SupplyHeat Dissipation Performance: Full Naked Heat DissipationSupport Expansion Hard Drive Bay: 1 ( 3.5 or 2.5 Inches Can Be Installed)Support PCI Expansion Slot: 4Switch Interface: Start, Restart Switch and Indicator LightBottom Frame Size After Assembly: L360 x W248mm