Brand: SanDisk. MPN: SDSQXBO128GANCZ. SanDisk 128GB microSDXC Memory Card for Nintendo Switch The officially-licensed SanDisk microSDXC card for the Nintendo Switch provides dependable, high-performance storage for your console. Add 128GB of storage to your Nintendo Switch in a matter of seconds, and rest easy knowing you have room for your favorite games. With transfer rates up to 100MB/s, the SanDisk microSDXC card for Nintendo Switch delivers consistent high performance, so you can load games fast. What You Get 128GB Memory Card Documentation.