- Designed, tested and approved for memory expansion of Nintendo Switch game system ,- incredible speeds in a microSD card officially licensed for the Nintendo Switch system ,- consistent high performance so you can load games fast with read speed up to 100MB/s ,- download games faster with write speed up to 90 MB/s ,- add more memory for more games, screenshots and video captures ,- no longer carry multiple game cards, download games directly to a single memory card and play anytime, anywhere ,- genuine SanDisk branded item, OEM quality