SD Card..!!!

  • Short for Secure Digital Card


  • The SD Card is one of the more common types of memory cards used with electronics.


  • It is considered the industry standard due to the wide use.


  • The SD card has a recognized maximum storage capacity of 2GB (gigabytes), but 4GB versions do exist.

  • The 4GB versions were not widely used due to issues & limitations with the technology at that capacity.


  • It consists of 8 pins and its connector is of 9 pins.

 The 3 versions of the SD card

  1. SD
  2. miniSD 
  3. microSD

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