ASROCK B550 PRO4 Manual page 42

Step 3
Align and gently insert the M.2
(NGFF) SSD module into the M.2
slot. Please be aware that the M.2
(NGFF) SSD module only fits in one
orientation.
A
A
20
o
Step 4
Tighten the screw with a screwdriver
to secure the module into place.
Please do not overtighten the screw
as this might damage the module.
NUT2 NUT1
40