Move to faster performance with kingstons sdxc uhs i u3 flash card it meets the sd associations specification release uhs i u3 ultra high speed bus speed class 3 which guarantees performance of at least 30mbs and enough bandwidth to record and play back 4k2k video without interruption users can capture cinema quality full hd 1080p ultra hd 2160p 3d and 4k2k videos on high performance cameras such as digital single lens reflex d slr and digital single lens mirrorless d slm cam