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SanDisk Extreme 128 GB microSDXC Memory Card + SD Adapter with A2 App Performance + Rescue Pro Deluxe, Up to 160 MB/s, Class 10, UHS-I, U3, V30 , Red/Gold : Amazon.co.uk: Computers
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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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