The Lexar Professional 1667x SDXC UHS-II card 256GB lets you quickly capture and transfer high-quality photos, including 1080p Full-HD, 3D, and 4K video, with a read transfer speed up to 250MB/s (1667x). This card leverages UHS-II technology (UHS Speed Class 3 (U3)) for high-speed performance. This dramatically accelerates workflow from start to finish.Using a DSLR, cinema-quality video cameras or 3D camera you will be able to leverage the latest photo and video features available for shooting high-quality images and stunning 1080p Full-HD, 3D, and 4K video.With growing HD, 3D, and 4K video capabilities, you need high-performance cards you can rely on, and high-capacity options to keep you shooting longer without changing cards. The Lexar Professional 1667x SDXC UHS-II card makes it easy by leveraging UHS Speed Class 3 (U3) performance and providing you with large capacity options up to 256GB.For versatility, the cards are also backwards compatible with UHS-I devices, performing up to the maximum thresholds of UHS-I speed capabilities. The cards also work with older, non-UHS-I devices, performing at Class 10 speeds.Features- High-speed performance