This enthusiast has been torturing 351 microSD cards for years, and some brands are winning
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TL;DR: A long-running microSD endurance test has put 351 cards from 52 brands through repeated write, verify, and erase cycles to see how they hold up under heavy use. So far, 177 cards have failed, gone read-only, or developed verification errors across more than half their sectors. The results show clear differences in endurance between brands and card types.
Tech enthusiast Matt Cole started the project in 2023 and recently shared an update on Reddit's r/DataHoarder. The test covers 111 models. Of the 351 cards, 107 are still running, while 67 are waiting for an open card reader
Cole's setup is designed to wear out the cards. It does not reflect how most people use microSD storage in a phone, camera or handheld gaming device. The cards are cycled until they can no...
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