![](https://www.alcher.me/wp-content/uploads/2020/09/pi4-64-bit-1024x228.jpg)
if you are planning to get top speed, choose Acrylic Case with a fan, to get full GPIO – the Alloy one is a good choice up to 1800MHz
![Aluminum Alloy Cover for Raspberry Pi 4](https://www.alcher.me/wp-content/uploads/2020/02/pi-4-passive-cooling-w-extender.jpg)
![Aluminum Alloy Cover for Raspberry Pi 4](https://www.alcher.me/wp-content/uploads/2020/02/pi-4-passive-cooling.jpg)
![GeeekPi Acrylic Case for Raspberry Pi 4 Model B](https://www.alcher.me/wp-content/uploads/2020/02/pi-4-active-acryliccooling.jpg)
Sources:
if you are planning to get top speed, choose Acrylic Case with a fan, to get full GPIO – the Alloy one is a good choice up to 1800MHz
Sources: