If you just want to use it from your home computer / network you can run it locally, either installing it directly or in a container. You only need a server (or a way to connect to your home network) if you want to access it from elsewhere.
https://www.qnap.com/en/product/qda-a2mar seems to be the one in your image. From the users guide it seems it does everything you listed. The prices I’ve seen are about 100 € / $ though plus the two SSDs you need, personally I’d invest in external backup instead, that covers more data loss scenarios than this adapter.
If you want to push back against the rising right-wing bigotry modding a decently sized subreddit might be one of the most effective places for regular people to do so. Arguably that power is not irrelevant in today’s social media landscape.
If you just want to use it from your home computer / network you can run it locally, either installing it directly or in a container. You only need a server (or a way to connect to your home network) if you want to access it from elsewhere.