You can also make a pail bucket Faraday cage with the HDD inside along with a small electronic notebook, solar panel with 12v charging adapter and voltage regulator/solar charger+battery.
This type of Faraday cage isn’t sufficient to block emissions for privacy reasons. For that you’ll need multiple layers of tin foil and plastic wrap. Or you could buy an easier to open premade copper mesh pouch or bag from several vendors.
I assume you are familiar with 3-2-1 backup rule.
For reliability and robustness of long-term archival storage, roughly:
Funny how convenience and setup cost coincidentally roughly scales inversely with reliability…
Anyway, even top-tier enterprise storage and RAID on RAID aren’t replacements for backups. For something like a media archive, I think you’re fine keeping it “hot” on SSDs with automatic frequent syncing to a “hot backup” to a separate machine on HDDs, then dumping offline/remote backups at some medium and schedule (how many days updates are you OK with losing in a worst-case scenario? do we need to have backups on another physical location in case of fire or natural disaster? how much hassle are we ok with?) that suits you.
For something like a huge media archive, I wonder hos important integrity guarantees really are? If a movie file goes bad I guess many times you can just, …er… rip it again? Accepting the risk is also a solution. Maybe only parts of that data really need proper backup.
Realistically this is probably the best option in terms of price/performance.
Last time I checked, those were quite pricey.
But yeah, remote backups are definitely the way to go. 