MSI PRO Z790-A WIFI User Manual page 31

Installing M.2 module into M2_1 slot
1. Loosen the screws of M.2 Shield Frozr heatsink.
2. Lift up the M.2 Shield Frozr heatsink and remove it.
3. Remove or exchange the screws according to your SSD length. Skip this step, if you
install 2280 SSD.
3 3
22110
2 2
1 1
29
1 1
3 3
2242
2260