Lexar High-Performance 633x microSDXC UHS-I is designed for your smartphone, tablet, or action camera. Lexar High-Performance 633x microSDHC/microSDXC UHS-I cards let you quickly capture, playback, and transfer 1080p Full-HD, 3D, and 4K video, as well as the highest-quality movies, photos, and songs. These high-capacity, Class 10 cards leverage UHS-I technology to deliver high-speed performance—up to 100MB/s. This premium memory solution includes an SD adapter and provides the speed and space you need to capture more adventure on the go.