@[email protected] you can use the active cooler that you can buy seperatly, just not the one that comes with the case.

I previously brought the pimoroni base so made a small hole in the back of the case that does the trick, using their 50mm cable. The m2 hat+ would be better for a mod free option.

https://www.raspberryconnect.com/projects/42-hardware-addons/205-raspberry-pi-5-case-with-the-pimoroni-nvme-ssd-base-pcie-add-on

Raspberry Connect - Raspberry Pi 5 Case with the Pimoroni NVMe SSD Base PCIe add-on

Modding an official Pi5 case to use with the Pimoroni NVMe Base add-on