QNAP TS-h973AX - Installing 2.5-inch Hard Drives or Solid-State Drives on 2.5-inch Trays

b. Place the drive on the tray so that the holes on the bottom of the drive are aligned with the holes
on the bottom of the tray.
c. Attach the screws.
5. Load the tray into the bay.
a. Insert the tray into the bay.
TS-h973AX User Guide
Installation and Configuration 18