For most players, a 128GB or 256GB card is the "sweet spot" for price and storage capacity. 2. How to Insert and Format Your Memory Card

Nintendo Switch Go to product viewer dialog for this item. is a fantastic console, but its internal storage (32GB for the standard model and 64GB for the OLED) can fill up quickly. Using a microSD card is the best way to expand your library without having to delete your favorite titles.

Nintendo recommends UHS-I (Ultra High Speed Phase I) compatible cards with transfer speeds of 60–95 MB/sec for the best performance.

You don't actually need to change a setting to target the memory card. The Switch is designed to prioritize your microSD card automatically: