uhm.. no... the 2018 went back to expandable RAM https://www.ifixit.com/Teardown/Mac+mini+Late+2018+Teardown/...
It is a bit of a pain and took me about 45 minutes, but I was going slow.
It is a bit of a pain and took me about 45 minutes, but I was going slow.
https://support.apple.com/en-us/HT205041