MSI MAG B660M MORTAR MAX WIFI DDR4 Manuel D'utilisation page 31

M2_1~2: M.2 Slots (Key M)
Installing M.2 module into M2_1 & M2_2 slot
1. Loosen the screws of M.2 SHIELD FROZR heatsink.
2. Remove the M.2 SHIELD FROZR and remove the protective films from the thermal
pads.
M2_1
1 1
⚠
Important
Intel® RST only supports PCIe M.2 SSD with
∙
UEFI ROM.
∙ M2_2 slot supports Intel® Optane™ Memory.
M2_1
M2_2
1 1
1 1
29
2 2
1 1
M2_2
2 2