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Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System
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Amazon.co.jp: I-O DATA microSD Memory Card, 64 GB, Speed Class 3 Compatible, UHS-II UHS/MSDU23-64G : Computers
![Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System](https://cdn-learn.adafruit.com/assets/assets/000/104/728/medium800/components_sd_xc.jpeg?1631904532)
Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System
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