Designed for your tablet, sports camcorder, or smartphone, Lexar High-Performance 633x microSDHC/microSDXC UHS-I cards make it easy to quickly capture, play back, and transfer 1080p full-HD, 3D, and 4K video, as well as the highest-quality movies, photos, and songs. The cards leverage UHS-I technology to deliver high-speed, Class 10 performance up to 633x (45MB/s). These premium memory solutions give you the speed and space you need to enjoy more of your favorite multimedia on the go.