BMC"s Class 6 SDHC memory cards offer hassle-free data storage and transfer with the best price-to-performance value. The SDHC cards using original NAND Flash chips and quality components to ensure that your flash card keeps your data secure longer. The mechanical write protection switch keeps your data safe preventing accidental deletion or over writing your important information. For further peace of mind, Transcend comprehensively tests all SDHC cards for compatibility and reliability. BMC"s SDHC cards are fully compatible and obtain optimal results with your Hi-Tech SDHC compatible devices.