The U5 is a product developed based on ATX motherboard specifications. The chassis is made from a 2.0 mm aluminum-magnesium alloy. The main purpose of the U5 development is to further optimize the length support for the graphics card and power supply of the Jonsbo aluminum case in the mid-range, increase the height support for cable management at the back panel, and optimize the upper spacing for better support of the liquid cooler. For heat dissipation, three fans at the bottom enhance the airflow of the case, thereby optimizing the overall heat dissipation performance. Thanks to numerous optimizations, there are no longer any limitations on supporting high-end hardware, allowing users to easily build an unlimited high-performance computer platform with an elegant metal texture.