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. The ADATA SDHC Class 4 is manufactured in accordance with the SD Card Association’s SD 2.0 standards, making it compatible with all SDHC host digital products. Adopting the FAT32 file system format, the ADATA SDHC Class 4 unlocks the 2 GB capacity limit of traditional SD cards and provides a minimum transfer rate of 4 MB/s, meeting Class 4 specifications and taking care of your needs for memory card storage and the best read/write speeds.