Amazon.co.jp: Micro SD Card, MicroSD, 512GB, UHS-I Class 10, Confirmed to Work with Nintendo Switch Manufacturer, A1 Ultra SDSQUA4-512G-EPK SD Adapter Included : Computers
Amazon | SanDisk Ultra 512GB Micro SD Memory Card Works with LG K51, LG Q70, LG Q7+, LG Stylo 5+ Cell Phone (SDSQUA4-512G-GN6MN) Bundle with (1) Everything But Stromboli MicroSD Card Reader