A free program for Android, by Zoltán Pallagi.
Test the speed of internal or external storage, SD card, with the best SD speed test tool!
Highlighted features include:Check the speed of your external (removable) SD card.Test the performance of your internal storage or any disks.Read/write tests in a variety of combinationsDisplay storage type: eMMC, UFS 2.0, 2.1, or higherClassification: Class 2, Class 4, Class 6, Class 10, UHS-I, UHS-II, and UHS-IIIext4, exFAT, and FAT/FAT32 file systems are supported.✔ Support portable and adoptable storage as well✔ Show storage details: free space, total space, mount options, device name
Supported memory cards:* Basically any sd cards: Micro SD, SDHC and SDXC* built-in memory card
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