Amazon.com: SanDisk 400GB Ultra microSDXC UHS-I Memory Card 100MB/s, C10, U1, Full HD Works with Nintendo Switch Neon Video Game Bundle with (1) Everything But Stromboli Memory Card Reader : Electronics
New Sandisk 256gb 128gb Micro Sd Card U3 400gb Flash Card Memory Card 4k Ultra Hd Tf Card Original For Nintendo Switch - Memory Cards - AliExpress
Best Buy: SanDisk 400GB microSDXC UHS-I Memory Card for Nintendo Switch SDSQXAO-400G-ANCZN