This high-density flash memory and optimized controller technology lets you save large image files faster and the high write speed means less time between shots so you can finally enjoy rapid-fire shooting. Lifetime Warranty. This outstanding flash card provides the durability and high-speed quality needed for advanced amateur photographers and photo enthusiasts. SanDisks award-winning technology solidifies the strength of the Ultra II family of high-performance flash cards. When speed really matters, serious photographers choose SanDisk Ultra II SD. So fast, you will never miss a shot. So rugged, environmental conditions are never a problem.