Overview of the heatsink structure
Remove the protective films and lay the thermal pad down so it covers the tray evenly.
Remove the protective films and lay the thermal pad onto top section evenly.
Put SSD into the tray, the side with the most chips facing up, and make sure it lays in the center.
Align the top heatsink section over the SSD and the tray, and push them together.
Install the screws into the heatsink.
Make sure that the heatsink is close to the screw cutout but doesn’t overhang it.