"A budget-priced file box whose main feature is a low price tag."
The '64TB Capacity' is a theoretical maximum based on future drive sizes; this is a standard 2-bay enclosure that you must populate with your own drives, whose performance will be capped by the 1GbE network port.
This is for a user moving from a single external drive or cloud service who needs only the most basic private network storage. The low price is the primary reason to consider it, provided you understand and accept the severe software limitations.
Anyone with an interest in running a media server like Plex, network-wide ad-blocking, or any other self-hosted application should avoid this. The unproven OS and lack of Docker support are immediate disqualifiers for anyone but the most basic user.