Secure Digital Memory cards: The most popular and widely used type of memory card is the Secure Digital or SD memory cards. This format was together developed by SanDisk, Toshiba and Panasonic. The SD memory cards are used in a variety of portable devices ranging from digital cameras and camcorders to mobile phones and PDAs. There are basically six types of SD cards namely SD, SDHC, miniSD, microSD, miniSDHC and microSDHC. Though SD and SDHC are physically the same, SDHC memory cards provide better speeds and higher capacity.

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secure digital memory cards: the most popular and widely used type of memory card is the secure digital or sd memory cards. this format was together developed by sandisk, toshiba and panasonic. the sd memory cards are used in a variety of portable devices ranging from digital cameras and camcorders to mobile phones and pdas. there are basically six types of sd cards namely sd, sdhc, minisd, microsd, minisdhc and microsdhc. though sd and sdhc are physically the same, sdhc memory cards provide better speeds and higher capacity.