Adhering to the class 10 specification transcends sdhc cards perform at a transfer rate up to 20mbs on devices supporting sd 30 ensuring your device remains quick and responsive while recording and viewing files the sdhc class 10 series offer larger volume data storage and optimized recording performance with support for fat 32 file formats you can store your entire music or picture collection on high megapixel digital cameras hdtv digital video cameras pdas and other memory hungry dev