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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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Rove Ultimate Micro SD Card microSDXC 128GB Memory Card with USB 3.2 Type C Card Reader 170MB/s C10, U3, V30, 4K, A2 for Dash Cam, Android Smart
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Cloudisk MicroSD Card 4GB 2-Pack With SD Adapter Class 6 MicroSDHC Memory Card Flash Memory Card For Smartphone Video Camera MP3 player and more - Newegg.com
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KOOTION 2Pack 16GB Micro SD Cards High Speed TF Card Class 10 Micro SDHC UHS-I Memory Cards without Adapter, C10, U1 - Walmart.com
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