Optimal Cooling Solution: Specifically designed for Banana Pi -R4 and -F3 routing boards, this heat sink effectively dissipates heat, ensuring your system runs at optimal temperature and performance. and Reliable: Crafted from high-quality materials, the heat sink is built to last and withstand continuous use, providing a long-lasting cooling solution for your routing boards. Easy Installation: This accessory is easy to install, making it user-friendly for both beginners and experienced users. Enhance your system's efficiency with a simple setup. Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:As Shown Material:aluminum Package Contents: 1 x Routing Boards Heat Sink Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store