Kingston technology has developed the line of secure digital high capacity [sdhc] memory cards as it has brought in 4gb mini sdhc card in class 2, 4 and 6 ratings. This 4gb mini sdhc card is useful for storing more than 2000 images, 750 digital music tracks or 4.5 hours of mpeg4 video. The company supplies these 4gb memory cards in ranges of class 2, class 4 and class 6 with 2 mb/s, 4mb/s and 6mb/s minimum dtrs respectively.
