This aluminum alloy protective case is specially designed for D-Robotics RDK X5 development board, combining durability, lightweight performance and excellent heat dissipation performance. Built-in silent and efficient cooling fan, and with the ventilation design, it can effectively reduce the temperature of the development board during long-term high-load operation and ensure system stability. A series of interfaces are reserved around the casel for users to quickly access various peripherals such as USB, HDMI, MIPI cameras, etc.