MSI PRO B650M-A WIFI Manuel D'utilisation page 34

Installing M.2 module into M2_2 slot
1. Secure the supplied M.2 standoff according to your M.2 SSD length if need.
2. Insert your M.2 SSD into the M.2 slot at a 30-degree angle.
3. Secure the M.2 SSD in place with the supplied M.2 screw.
M.2 screw
3 3
M.2 standoff
1 1
2 2
30º 30º
32