I have the non SSD version of this case - looking at this I may have to upgrade:
https://www.argon40.com/argon-one-m-2-case-for-raspberry-pi-4.html
Ridiculously expensive but the best cases I’ve come across are the geekworm ones.
Some of those cases look pretty serious - I like the “cluster” one - but maybe overkill for HA. 