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The best microSD cards in 2025
Here's a list of the best microSD cards you can buy, as chosen by Engadget editors.
Sequential read and write speeds matter when you’re trying to access or save long, constant streams of data, such as opening a large video or copying a big batch of files from a PC. If you shoot lots of 4K to 8K video or frequently use burst mode to capture ultra high-res photos, the performance gains of a good UHS-II card can save you time. You can see these limits in action with a Nintendo Switch or Steam Deck: Both of those gaming devices support the UHS-I interface and don’t go beyond its official speed, flattening any sequential gains some cards may have elsewhere.
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