The Quick Installation Guide will give us the basics on how to get everything started fast:

The bottom layer of the packaging comes with the NAS itself, which has an extra protection layer, to avoid scratches during transit:

A quick look at the DS415+ tells us that Synology has remained trustful to their 4-bay iconic plastic enclosure, which has been used for years and years now:

In the front we will get to see the drive bay cover which is made from shiny black plastic, and also some interfaces on the right:

With the bay cover removed, we will be able to expose the trays and Synology has saw fit to also show the booting order via small white dots on top of each tray:

On the right side we will get to see the system Status LED, but also the LEDs for each installed HDD/SSD:

Further down, we will get to see an USB 2.0 port along with the Power button with LED:

After the removal of all plastic trays, we will be able to look inside and see the small daughterboard which houses the SATA Data/Power connectors:

The trays have an identical design to the models we have tested before from Synology, but have a very clever design; installation of 3.5’’ drives is tool-less, only 2.5’’ drives need additional screws: