I bought this Micro SD card to put in my Nintendo Switch. Product came in orignal packaging. I first plugged it in to my computer just to verify that it actually was 512. So far this has worked great for my switch, it’s a very large sized memory card but games do add up.
https://www.amazon.com/Samsung-Electronics-microSDXC-Adapter-MB-ME256HA/dp/B0887P21Z2

