Gigastone] Micro SD Card 32GB, Gaming Plus, MicroSDHC Memory Card for Nintendo-Switch, Smartpone, Roku, Full HD Video Recording, UHS-I U1 A1 Class 10, up to 90MB/s, with MicroSD to SD Adapter :
Nintendo Switch SD card: the best memory cards for your console | Creative Bloq
Four things you should get for your Nintendo Switch before it arrives - The Verge