Kingston technology’s secure digital high-capacity (SDHC) ultimate and secure digital extended capacity (SDXC) memory cards are high-performance versions of an SD memory card designed to meet the storage demands of high-quality digital still and video cameras and other high-resolution image recording devices. it offers speed, performance and reliability to ensure you get your photos, files, movies or music faster. the SDHC ultimate is fully compliant with the secure digital association 2.00 specification and the SDXC is SDA 3.01 compliant. both are designed to meet the critical speed and performance needs of novice and professional photographers and videographers. whether you’re photographing a special moment or shooting a youtube video, its 100x speed and data transfer rate up to 15mb/sec. write can keep up with any occasion. although identical in size to today’s standard sd card, this new SDHC ultimate card is designed differently and is also recognized by SDHC and SDXC host devices (SDXC cards works only with SDXC host devices). to ensure compatibility, look for the SDHC logo on cards and host devices (cameras, camcorders, etc.). for added reliability and durability, Kingston’s solidstate SDHC and SDXC memory cards are built of nonvolatile memory components and have no moving parts that could wear out or break. all cards are 100-percent tested and are backed by a lifetime warranty and free, free live technical support.