It is most popular memory card for digital cameras. SD card Based on the capacity, there is different type of SD card. Capacity SDSC (SD): 1 MB to 2 GB,   some 4 GB available. SDHC: 4 GB to 32 GB SDXC: ≥32 GB to 2 TB I bought a San Disk Ultra SDHC cards pack. 2 X 16GB in one pack. with