See this Amazon review on Sandisk 32GB microSD card. I learned something very useful as it relates to getting the most performance out of these microSD cards. - See particularly the criticizing ...

You can format your HDD, SSD, Memory Card, etc., using these free file system management tools or FAT32 format tools. Windows File Explorer is the default option you ...

When you insert a new Micro SD card on your Steam Deck you will need to format SD Card so that you can install games on your Steam Deck. If you don’t know how to format an SD card on your Steam Deck ...