Enhanced Protection and Cooling: This Crafted from durable metal, it not only protects your board but also significantly reduces baseline temperatures and stabilizes temperature increases under load, ensuring optimal performance. Precision Design for Easy Expansion: The metal material and open shell design are precision-engineered to facilitate easy access to ports, enhancing the distribution of hot air. Advanced Heatsink Features:The case incorporates a slotted design to maximize surface area contact,which is crucial for effective heat dissipation. Quiet Fan Cooling Technology:The included cooling fan operates quietly, ensuring that it does not disturb your work or entertainment.<br><br>Fit for:for Orang Pi 5 pro Fan Features:DC Brushless for Fan Size40x40mm cooling fan provide well passive cooling Colour:Black Material:Metal<br><br>Package Contents: 1 x housing 1 x fan 3 x copper heat sink<br><br>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.