When searching for a microSD card for your Nintendo Switch, GoPro, or Raspberry Pi, it’s important to consider factors such as capacity, read and write speeds, speed ratings, and warranty. Modern cards are available in sizes ranging from 32GB to 512GB, with 128GB or 256GB being the recommended sweet spot. Read and write speeds are crucial, with sequential read and write speeds being important for media storage, and random performance being important for gaming devices and single-board computers. Speed ratings such as V-rating, U-rating, and A-rating indicate minimum write and read speeds. UHS-I cards are most common, with UHS-II cards being faster but more expensive. Finally, buying from known brands and reputable retailers is important to avoid counterfeit products.
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