Kingston's standard Secure DigitalTM (SD) memory cards combine massive storage capacity, blazing data transfer rates and ironclad security in a memory card no bigger than a postage stamp. With an excellent price-to-performance value, Kingston's SD cards are ideal expansion option for the smallest of devices including MP3 players, digital cameras, PDAs, smartphones and more. For added reliability and durability, our solid-state SD memory cards are built of nonvolatile memory components and have no moving parts to wear out or break.