slot. Specifies physical location in the switch chassis. port. Specifies the physical port on the module. The slot numbers are unique to each type of component in contrast to being unique within a chassis.
Power off the Nintendo Switch console, then gently swing the stand open to show the microSD card slot. Ensure the microSD card is properly positioned with the label facing away from the console. Insert the microSD card into the slot and gently push down until it clicks into place.