What determines whether you should use a Sandisk A1 or A2 micro SD card for more storage on Android phones? Is the A1 better if not storing photos/videos? - Quora
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MicroSD Cards: Size, Manufacturer, Application Performance Class (A1 vs. A2): How to Choose - LowEndBox
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SanDisk Ultra 64 GB microSDXC Memory Card + SD Adapter with A1 App Performance Up to 100 MB/s, Class 10, U1 : Amazon.fr: Informatique
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SanDisk-Lecteur de carte Micro SD pour caméra et importateur, cartes mémoire, A2 Extreme, ature ileMate, USB 3.0, C10, U3, V30, 4K TF
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