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. Adopting the FAT32 file system format, the ADATA SDHC Class 4 unlocks the 2GB capacity limit of traditional SD cards and provides a minimum transfer rate of 4 MB/s.