Synology DS1821+ Hardware Installation Manual page 12

• For 2.5" drives: Remove the fastening panels from the sides of the drive tray and store them in a safe
place. Place the drive in the area of the drive tray indicated by a blue rectangle below. Turn the tray upside
down and tighten the screws to secure the drive in place.
4 Insert the loaded hard drive tray into the empty hard drive bay and push it into position by the upper half of the
handle.
Note: Make sure that the drive tray is completely inserted. Otherwise, the drive might not function properly.
5 Press the handle back into the front panel until you hear a click to secure the hard drive tray in place.
6 Insert the hard drive tray key into the hard drive tray lock, turn the key clockwise (to the "I" position) to lock the
hard drive tray handle, and then remove the key.
12 Chapter 2: Hardware Setup