![Raspberry Pi 4 Model B Aluminum Housing with Dual Fan Metal Housing Black Box for RPI 4B: Amazon.de: Computer & Accessories Raspberry Pi 4 Model B Aluminum Housing with Dual Fan Metal Housing Black Box for RPI 4B: Amazon.de: Computer & Accessories](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61K9FuLSH9L._AC_SY450_.jpg)
Raspberry Pi 4 Model B Aluminum Housing with Dual Fan Metal Housing Black Box for RPI 4B: Amazon.de: Computer & Accessories
![GeeekPi Raspberry Pi 4 Fan Kit, Aluminium Heatsink with Fan for Raspberry Pi 4B & Raspberry Pi 3B + / 3B : Amazon.de: Computer & Accessories GeeekPi Raspberry Pi 4 Fan Kit, Aluminium Heatsink with Fan for Raspberry Pi 4B & Raspberry Pi 3B + / 3B : Amazon.de: Computer & Accessories](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71pR95s8hcL._SX342_.jpg)
GeeekPi Raspberry Pi 4 Fan Kit, Aluminium Heatsink with Fan for Raspberry Pi 4B & Raspberry Pi 3B + / 3B : Amazon.de: Computer & Accessories
![Raspberry Pi 4 Lüfter Intelligente Geschwindigkeit Control Expansion Board RGB Kühlung HUT mit OLED Display für Raspberry Pi 3B +/3B|Demo-Board Zubehör| - AliExpress Raspberry Pi 4 Lüfter Intelligente Geschwindigkeit Control Expansion Board RGB Kühlung HUT mit OLED Display für Raspberry Pi 3B +/3B|Demo-Board Zubehör| - AliExpress](https://ae01.alicdn.com/kf/H32634bbcdf0e4c17a1493743606b9321s/Raspberry-Pi-4-L-fter-Intelligente-Geschwindigkeit-Control-Expansion-Board-RGB-K-hlung-HUT-mit-OLED.jpg_Q90.jpg_.webp)
Raspberry Pi 4 Lüfter Intelligente Geschwindigkeit Control Expansion Board RGB Kühlung HUT mit OLED Display für Raspberry Pi 3B +/3B|Demo-Board Zubehör| - AliExpress
![RPI CASE STACKBT: Case for Raspberry Pi 4 with fan, stackable, transparent - black at reichelt elektronik RPI CASE STACKBT: Case for Raspberry Pi 4 with fan, stackable, transparent - black at reichelt elektronik](https://cdn-reichelt.de/bilder/web/xxl_ws/A300/RPI_CASE_STACKP4_01.png)