sdspeed 3.2.2 – Verify the integrity of an SD card or USB device


sdspeed lets you verify the integrity of a flash SD card or USB device. You can test not only SD (secure digital) cards, but also USBsdspeed flash drives, even hard drives that are connected via USB. It also provides benchmarks, such as the speed of a memory card, an SD card speed test, a flash card read-write test, and SD-card speed or measurement of micro SD performance.



Version 3.2.2:

  • Fixed reported crash after read write test in some rare cases with external huge HDD drives via USB or other configurations
  • Show to user that media is OK or not if there are corrupted, changed or overwritten bytes or size differences on total device size



  • Intel, 64-bit processor
  • OS X 10.7 or later

ScreenShots :



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Size – 1.8MB