Professional-level performance with exceptional quality - The Lexar® Professional 1667x SDXC UHS-II card let 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. Shoot high-quality images and 1080p Full-HD, 3D, and 4K video - Using a DSLR, HD camcorder or 3D camera, you’ll 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. Capture extended lengths of video with high-capacity options - 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. Save time with dramatically accelerated workflow - The high-speed performance of Lexar Professional 1667x SDXC™ UHS-II cards dramatically accelerate your workflow from start to finish, so you can save time and get back to the business of photography. Backwards compatible at the highest UHS-I speeds - 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. Rigorously tested - All Lexar product designs undergo extensive testing in the Lexar Quality Labs, facilities with more than 1,100 digital devices, to ensure performance, quality, compatibility, and reliability.