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Official Raspberry Pi 4 Case Fan and Heatsink : ID 4794 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: Easycargo Raspberry Pi 4 Heatsink Fan Kit, Cooler 25mm Fan Heatsink for Cooling Raspberry Pi 5 4 3 Electronics Robotics Development Boards DIY 2505 25x25x7mm 3.3V 5V Quite Mini Fan Small : Electronics Amazon.com: Easycargo Raspberry Pi 4 Heatsink Fan Kit, Cooler 25mm Fan Heatsink for Cooling Raspberry Pi 5 4 3 Electronics Robotics Development Boards DIY 2505 25x25x7mm 3.3V 5V Quite Mini Fan Small : Electronics](https://m.media-amazon.com/images/I/51WYwY3gT7L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Easycargo Raspberry Pi 4 Heatsink Fan Kit, Cooler 25mm Fan Heatsink for Cooling Raspberry Pi 5 4 3 Electronics Robotics Development Boards DIY 2505 25x25x7mm 3.3V 5V Quite Mini Fan Small : Electronics
![Hi all, I recently installed octopi on my raspberry pi 4 b and I was wondering if I needed a fan. I have a 24 v fan but do I need a Hi all, I recently installed octopi on my raspberry pi 4 b and I was wondering if I needed a fan. I have a 24 v fan but do I need a](https://i.redd.it/9pluh4na4gz91.jpg)
Hi all, I recently installed octopi on my raspberry pi 4 b and I was wondering if I needed a fan. I have a 24 v fan but do I need a
![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._AC_UF894,1000_QL80_.jpg)