With the tools you know
aws-cli, s3cmd, rclone: connection snippets are ready in the panel. There is no new client to learn.
In a three-node setup every object lives on three separate disks. You manage buckets, access keys and grants from the panel.

aws-cli, s3cmd, rclone: connection snippets are ready in the panel. There is no new client to learn.
Read, write and owner rights are granted per bucket, per key.
Turn a bucket into a website and the content is served directly.
The secret appears when it is issued and is never stored. Lose it and you issue a new one.
This product has no separate fee: usage is metered hourly and drawn from your plan. The multipliers and the calculator are on the pricing page.