QNAP TR-004-US - Installing 2.5-inch Drives on 3.5-inch Trays

d. Optional: Attach the screws to further secure the drive.
Important
QNAP recommends attaching the screws to the drive trays during transport.
4. Load the tray into the drive bay.
a. Insert the tray into the bay.
b. Push the handle.
QNAP External RAID Enclosure User Guide
Hardware Installation 14