Hello, been struggling with this recently and seeing that S3 support is new I suppose it's time to make a post.
I have PBS 4.1.2 running as a VM on, and supporting, a PVE 8.4.16 installation. PVE has 32c/64t with 768GB RAM. PBS has 32c with 32GB RAM, along with a 8TB. S3 storage is on Backblaze...