HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD SYNOLOGY NAS

I have been looking to the Synology line of NAS drives, exclusively the DS211. What I really like is that it operates rsync, so I would be able to do seriously very good incremental backups utilizing DeltaCopy for Home windows and could do my backups about a secure relationship. Does any person have any experience working with Synology NAS drives f