Yes, this SD card works with the Nintendo Switch 2. The Premier Extreme SD7.1 Express microSDXC card from A-DATA uses the Silicon Motion SM2708 SD Express controller, which has been successfully tested for compatibility with the Switch 2. It supports the SD Express 7.1 specification, which is used exclusively by the Switch 2, and offers very high read and write speeds of up to 800 MB/s and 700 MB/s respectively, which optimally supports the performance of the console.