Designed for your mid-range DSLR, HD camcorder, 3D camera, the Lexar 64GB Professional 667x UHS-I SDXC Memory Card lets you quickly capture, and transfer high-quality photos of stunning 1080p Full-HD, 3D, and 4K video, with read speeds of up to 667x (100MB/s) (1). With Class 10, UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings, these cards leverage UHS-I technology to deliver high-speed performance. This dramatically accelerates workflow from start to finish, so you can save time and get back to the business of photography.