Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System
SanDisk 32GB Micro SD SDHC MicroSD TF Class 10 32G 32 GB Extreme PRO 100MB/s 619659155414 | eBay
Amazon.com: [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 :