This article covers the thermal structure, design, methods and benefits of 400G/800G/1. 6T OSFP modules, explaining how effective cooling ensures stable signal transmission and long-term reliability. At FiberMall, we specialize in providing cost-effective optical-communication products and solutions tailored for global. The shielding cage and heatsink are integrally formed, featuring a stable structure and easy assembly, effectively improving the overall integration efficiency of the equipment. The optimized fin structure increases the heat dissipation area, rapidly dissipates the heat from optical modules. An optical module heat dissipation device and method.