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Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System
![NexiGo 128GB Micro SD Card with Adapter, MicroSDHC/SDXC UHS-I Class 10 V10 A1 Memory Card, up to 100MB/s, Full HD, High-Speed Flash TF Card for Nintendo-Switch Smartphone Tablet PC Drone Camera NexiGo 128GB Micro SD Card with Adapter, MicroSDHC/SDXC UHS-I Class 10 V10 A1 Memory Card, up to 100MB/s, Full HD, High-Speed Flash TF Card for Nintendo-Switch Smartphone Tablet PC Drone Camera](https://m.media-amazon.com/images/I/61MbkxjB5HL.jpg)
NexiGo 128GB Micro SD Card with Adapter, MicroSDHC/SDXC UHS-I Class 10 V10 A1 Memory Card, up to 100MB/s, Full HD, High-Speed Flash TF Card for Nintendo-Switch Smartphone Tablet PC Drone Camera
What is the difference between Class 10 and Class 4 memory cards, and also between SDHC and SD? - Quora
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