These MicroSD cards are fantastic! I used them to save games on my sons switches. I was able to save some games on it. 7 or more I think. Plug the microSD into the Switch, you'll be prompted to update and reboot, and then you're done.
SmartBuy Classic Series microSDHC 32 GB Class 10, R/W 25/30 MB/s, SD adapter
41 Review
Kingston microSDXC 64GB Class 10, V10, A1, UHS-I U1, R 100MB/s Memory Card, SD Adapter, 1 pc, Black
45 Review
π½ 512GB Samsung Evo Plus Micro SDXC Memory Card
40 Review
Smartphone Xiaomi Mi 8 Lite 6/128 GB, midnight black
70 Review