Thumb Score: +50 Best Buy.com has 400GB SanDisk microSDXC UHS-I Memory Card for Nintendo Switch (SDSQXAO-400G-ANCZN) on sale for $59.99. Shipping is free, alternatively, store pickup is free. Thanks n3f3libata Deal Editor's Notes & Price Research: The 400GB capacity offers ample space to accommodate 4K UHD and Full HD videos and movies, while the 100 MB/sec.