Use the best SD card testing tool! Test the speed of internal or external storage!
Easy to use, even for beginners. Rapid testing.
* Measure the speed of your external (removable) SD card
* Measure the speed of your internal storage
* Read/write tests, different settings.
SD Card Test Pro v2.1 / Mirror
SD Card Test Pro v1.9.3 / Mirror
SD Card Test Pro v1.9.1 / Mirror