Lexar Professional 2000x 64GB SDXC UHS-II/U3 (Up to 300MB/s Read) w/USB 3.0 Reader -  LSD64GCRBNA2000R High-speed performance-leverages UHS-II technology (U3) for a read transfer speed up to 2000x (300MB/s) Includes SD UHS-II reader for high-speed file transfer from card to computer, dramatically accelerating workflow Captures high-quality images and stunning 1080p full-HD, 3D, and 4K video with a DSLR camera, HD camcorder, or 3D camera Backwards compatible with UHS-I devices