Amazon.com: SanDisk Ultra 1TB Micro SD Card Works with Nintendo Switch & Nintendo Switch Lite Console (SDSQUA4-1T00-GN6MN) UHS-1 Class 10 Bundle with (1) Everything But Stromboli SD & MicroSD Memory Card Reader :
1TB MicroSD Card Deal: Add Storage to Switch or Steam Deck - IGN
BEWARE! SanDisk MicroSDXC 1TB Melted My Switch! : r/NintendoSwitch