![Official Raspberry Pi 4 Case Fan and Heatsink : ID 4794 : $5.00 : Adafruit Industries, Unique & fun DIY electronics and kits Official Raspberry Pi 4 Case Fan and Heatsink : ID 4794 : $5.00 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4794-05.jpg)
Official Raspberry Pi 4 Case Fan and Heatsink : ID 4794 : $5.00 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: GeeekPi Aluminum Alloy Heatsink with PWM Fan for Raspberry Pi Compute Module 4, Passive Cooling Radiator with Speed Control Fan for Raspberry Pi CM4 Motherboard : Electronics Amazon.com: GeeekPi Aluminum Alloy Heatsink with PWM Fan for Raspberry Pi Compute Module 4, Passive Cooling Radiator with Speed Control Fan for Raspberry Pi CM4 Motherboard : Electronics](https://m.media-amazon.com/images/I/51-f+XVnChS.jpg)
Amazon.com: GeeekPi Aluminum Alloy Heatsink with PWM Fan for Raspberry Pi Compute Module 4, Passive Cooling Radiator with Speed Control Fan for Raspberry Pi CM4 Motherboard : Electronics
![Argon Fan Hat For Raspberry Pi 4b 3b+ 3b Temperature Control Fan With Function Power Button Support Argon Neo Case For Pi 4 - Demo Board Accessories - AliExpress Argon Fan Hat For Raspberry Pi 4b 3b+ 3b Temperature Control Fan With Function Power Button Support Argon Neo Case For Pi 4 - Demo Board Accessories - AliExpress](https://ae01.alicdn.com/kf/S50e3c274ecd240458e5ea83053cd690by.jpg_640x640Q90.jpg_.webp)
Argon Fan Hat For Raspberry Pi 4b 3b+ 3b Temperature Control Fan With Function Power Button Support Argon Neo Case For Pi 4 - Demo Board Accessories - AliExpress
![Amazon.com: GeeekPi Fan Hat for Raspberry Pi 4 Model B, Raspberry Pi PWM Fan GPIO Expansion Board with 0.91inch OLED Display for Raspberry Pi 4B/3B+/3B/2B : Electronics Amazon.com: GeeekPi Fan Hat for Raspberry Pi 4 Model B, Raspberry Pi PWM Fan GPIO Expansion Board with 0.91inch OLED Display for Raspberry Pi 4B/3B+/3B/2B : Electronics](https://m.media-amazon.com/images/I/61gJ3UrBmgL.jpg)
Amazon.com: GeeekPi Fan Hat for Raspberry Pi 4 Model B, Raspberry Pi PWM Fan GPIO Expansion Board with 0.91inch OLED Display for Raspberry Pi 4B/3B+/3B/2B : Electronics
![Amazon.com: Enokay Raspberry Pi 4 Model B Heat Sink Single Cooling Fan RAM Heatsink Set : Electronics Amazon.com: Enokay Raspberry Pi 4 Model B Heat Sink Single Cooling Fan RAM Heatsink Set : Electronics](https://m.media-amazon.com/images/I/61j9F3OZXjL.jpg)