![Amazon.com: Raspberry Pi 4 Model B Aluminum Case with Dual Cooling Fan Metal Shell Black Box for RPI 4B (with Dual Fan) : Electronics Amazon.com: Raspberry Pi 4 Model B Aluminum Case with Dual Cooling Fan Metal Shell Black Box for RPI 4B (with Dual Fan) : Electronics](https://m.media-amazon.com/images/I/61K9FuLSH9L.jpg)
Amazon.com: Raspberry Pi 4 Model B Aluminum Case with Dual Cooling Fan Metal Shell Black Box for RPI 4B (with Dual Fan) : Electronics
![Amazon.com: MakerFocus Raspberry Pi 4B Dual Cooling Fans, Raspberry Pi 4B Heatsink Kit, Raspberry Pi 4B GPIO Expansion Board DC 5V 0.2A with LED Compatible with Raspberry Pi 4B / 3B+ / Amazon.com: MakerFocus Raspberry Pi 4B Dual Cooling Fans, Raspberry Pi 4B Heatsink Kit, Raspberry Pi 4B GPIO Expansion Board DC 5V 0.2A with LED Compatible with Raspberry Pi 4B / 3B+ /](https://m.media-amazon.com/images/I/71TpYvAmM7L.jpg)
Amazon.com: MakerFocus Raspberry Pi 4B Dual Cooling Fans, Raspberry Pi 4B Heatsink Kit, Raspberry Pi 4B GPIO Expansion Board DC 5V 0.2A with LED Compatible with Raspberry Pi 4B / 3B+ /
![Raspberry Pi 4 Model B Dual Fan With Heat Sink Ultimate Double Cooling Fans Cooler Optional For Raspberry Pi 3/3b+/4b - Demo Board Accessories - AliExpress Raspberry Pi 4 Model B Dual Fan With Heat Sink Ultimate Double Cooling Fans Cooler Optional For Raspberry Pi 3/3b+/4b - Demo Board Accessories - AliExpress](https://ae01.alicdn.com/kf/H073b37711f02459685fff6446eb91fdaY.jpg_640x640Q90.jpg_.webp)