Place the top motherboard rails upon the assembly and secure them to each corresponding number, as seen upon the front & rear panels, with the M3 screws.
(Skip this step if you don’t plan on using a GPU) Attach the vertical GPU support bracket to the top motherboard rail using M3 screws, secured from the bottom. Ensure the bracket is fully aligned before tightening.
Hardware used
4-6× M3 screws
Tip
Both motherboard rails and the PSU panels are marked with ‘1’ & ‘2’ to identify the motherboard rails’ placement.