I liked Synology and used it for over a decade then the disaster struck and the darn thing deleted like 80% of the data (15TB). Yes, I had backups but the company lost over a week of productivity due to the time it took to recovery the stuff. After much to and fro, Synology has admitted that they have no clue what had happened and offered no suggestions beyond 'keeping an eye on things'.
Now, will you trust your data to a company like this?