1. Excellent Heat Dissipation: The open chassis design contributes to heat dissipation of various hardware and releases internal space in the chassis. 2. Divided Hardware Structure: The divided hardware structure gives you a large internal installation space. 3. Strong Compatibility: Supports MATX motherboard (244 x 244mm), power supply supports ATX standard power supply, supports expansion of a hard drive bay (3.5 or 2.5 in can be installed), supports 4 PCI expansion slots. 4. Easy Disassembly and Assembly: It's a clean chassis frame, easy to disassemble and assemble, and fully experience the fun of DIY. 5. Premium Material: Made of aluminum, which is strong, durable, stable in use and has a long lifespan. Item type: MATX Computer Open Chassis Mount Material: Aluminum Model: PC JMK6 MATX Applicable motherboard: MATX motherboard (Approx. 244 x 244mm / 9.6 x 9.6in) Power supply design: ATX Standard Power Supply Heat dissipation performance: Full Open Heat Dissipation Supports expansion hard drive bay: 1 (3.5 or 2.5 in can be installed) Supports PCI expansion slot: 4 Switch interface: On/Off Switch and Indicator Lamp Bottom frame size after installation: L360 x B248mm