The SanDisk miniSD memory card offers all of the benefits of a standard SD card, but in a much smaller size. In fact, it is over 60% smaller than a full-sized SD card. The SanDisk miniSD cards are used to store digital images, video, MP3 files and other data in mobile phones. SanDisk offers the industry's broadest range of capacities for miniSD cards with capacities ranging from 64MB to 256MB.