Kingston 16GB Secure Digital High Capacity Memory Card - Class 4Secure Digital High Capacity cards you can rely on. Kingston Technologys Secure Digital High-Capacity (SDHC) memory cards are fully compliant with the Secure Digital Association 2.00 specification. They are the next high performance generation of SD memory cards designed to meet the storage demands of high-quality digital still and video cameras and other high-resolution image recording devices.