The SanDisk Extreme Secure Digital High Capacity (SDHC) Class 6 Card is designed specifically for high-end, professional photographers who work under extreme conditions and expect the very best in products and support services. This 8 Gigabyte SDHC Card has a minimum of 20MB/second sequential write and read speed (based on SanDisk internal testing), which allows for faster capturing of large image files to the card, faster viewing of images and faster data transfer rates. This SanDisk Secure Digital High Capacity (SDHC) Memory Card can be used in a variety of digital products including digital music players, cellular phones, handheld PCs, digital cameras, digital video camcorders, smart phones, car navigation systems and electronic books, that conform to the SD 2.00 specification (rated Class 6 for speed and performance). The SDHC Card also contains a security feature for the protection of copyrighted data.