Amazon.com: SanDisk Micro SDXC Ultra Class 10 UHS-1 512GB Memory Card Works with Nintendo Switch OLED Model Gaming System (SDSQUA4-512G-GN6MN) Bundle with (1) Everything But Stromboli SD & MicroSD Card Reader :
SanDisk Extreme PLUS 512GB microSDXC UHS-I Memory Card SDSQXBZ-512G-ANCMA - Best Buy
microSDXC Elite - 512GB - PNY Technologies
Canvas Select Plus SD Card, Class 10 UHS-I, 100MB/s, 32GB to 512GB - Kingston Technology