after the establishment of the 2 discs and 2to Synology installation as explained on the screen, everything works as it should. Intuitive, a novice will get there without worries.
RAID 1 set, that is to say that the disc 1 is copied to disk 2, a sense of security was in case of crash of one of the discs.
Quiet acoustics and energy, it is 24/24 road. I is access from anywhere (home, work, etc ...)
Options are available on the website of the brand.
For those who wish it and secure their documents but who know not much, it is perfect.
Moreover, at this price, it's unbeatable.