The new SanDisk Ultra II SD cards have a minimum sustained write speed of 9 megabytes (MB) per second and a read speed of 10MB per second. Get faster speed for all the things you do. In the fast-paced world of digital photography, you rely on your camera and its capabilities. You also rely on your SD cards to be fast, reliable and compatible with your camera. To meet the needs of professional and advanced photographers, SanDisk has developed new, optimized flash cards. SanDisk Ultra II SD cards are ideal for your most demanding photo shoots, including photojournalism and event, sports, nature and fashion photography.