You may soon easily identify microSD cards that are best suited for running apps. The SD Association, a group responsible for setting interoperable SD standards, has announced a new app performance class for cards that are certified to run an store apps on a mobile device. Cards that meet or exceed the requirements will sport an ‘A1’ symbol. However, in order for it to be certified, a card must be have a random read Input-Output Per Second (IOPS) of 1500, write IOPS of 500, and sustained sequential performance of 10MB/s.
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