SanDisk Extreme microSDXC UHS-I Memory Card - 128GB Capacity, Up to 100MB/s Read, Up to 90MB/s Write, for Nintendo Switch - SDSQXBO-128G-ANCZA at TigerDirect.com
SanDisk Extreme 90MB/s UHS-I U3 V30 128GB microSDXC Memory Card Review with speed tests and benchmarks - Camera Memory Speed Comparison & Performance tests for SD and CF cards