As the demand for digital device storages continuously grows, the widely used SD memory card has evolved into the SDHC (Secure Digital High Capacity), including a new interface that enables faster transfer rates and a higher memory capacity. The ADATA SDHC Class 4 supports all consumer digital devices that are in conformation with SDHC specifications, including digital cameras, DV cameras and camcorders, PDAs, multimedia players, PCs, printers, card readers and more.