SD Cards speed class

SD Cards speed class

SD card is commonly used in embedded applications. Take the case of a Raspberry Pi where we use SD Card to load the operating system helping Raspberry Pi to boot. SD cards are classified into various classes based on the speed at which we can write to SD card. Below are the 3 main categories:

  • Speed Class
  • UHS Speed Class
  • Video Speed Class
The below tables indicate the various speeds under each class.



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