Excellent as a recorder for video surveillance
Used solely for the management and recording of Ubiquiti cameras, the device does the job and does it well.
The format is ultra-compact and the performance is excellent. It is much better than the classic recorders which are often bulky with their mediocre interfaces.
The only downside is that you have to buy a separate ¨PoE injector (about 30€) to power it and you'll have to do some research to configure it (there are videos on Youtube that explain this very well).