SanDisk Extreme Pro 256GB MicroSDXC Card A2 V30 U3
Amazon.com: Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones : Electronics
Premier microSDXC/SDHC UHS-I Class10
microSDXC™ Card for Nintendo Switch - 256GB - Nintendo Official Site