Best Buy: SanDisk Ultra 400GB MicroSDXC UHS-I Memory Card SDSQUAR-400G-GN6MA
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 :
SanDisk 1TB microSD card review: Insane storage in a fingernail size | Mashable