Gruvi

Gruvi is a very rare form of microSD card that is designed with Digital Rights Management (DRM) included. It was meant to become a distribution method for entertainment content, providing protection against unauthorized copying. However, it is incredibly rare and probably doesn't have much of a future to look forward to.



There are a variety of Secure Digital (SD) products available..

Secure Digital (SD) --> Original SD card offering capacities up to 8GB currently.

miniSD --> A smaller form-factor version of the original SD card.

microSD --> Currently the smallest flash memory card on the market.

miniSDHC --> High Capacity version of miniSD card.

microSDHC --> High Capacity version of microSD card.

SD plus --> A form of SD card developed by SanDisk.with USB additions.

Eye-Fi --> An SD card with built in Wifi capabilities of its own.

Gruvi --> A form of SD card developed for content distribution by SanDisk.