Very poor USB2/3 connector. There are numerous reports on how unreliable this connector is. The drive can easily drop out.
The (Unwanted) hardware encryption makes data recovery virtually impossible. Without encryption you could remove the sata drive and recover data using an internal PC sata port or an external docking station. An argument that suggests it provides security is ridiculous. If the drive interface/connector was working you’d just plug it in to anyones PC.This hardware encryption is dopey beyond belief.
For security you use software encryption if required.
I have bought quite a number of these before I realized their unacceptable shortcomings.Backing up critical data on these devices is risky.
The solution is to buy a raw HDD and use a third party enclosure or docking station.