Capture your adventures in HD. Designed for your sports camcorder, tablet, or smartphone, Lexar® High-Performance microSDHC™/microSDXC™ UHS-I cards (633x) let you quickly capture, play back, and transfer a large number of multimedia files, including 1080p Full-HD, 3D, and 4K video. These Class 10 cards leverage UHS-I technology to deliver high-speed performance.