Whether you're a professional photographer, videographer, or enthusiast, Lexar Professional 1667x SDXC UHS-II card let you quickly capture 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. For versatility, this card also work with UHS-I devices at UHS-I speeds, and backwards compatible with older cameras and readers, performing at Class 10 speeds when used with non-UHS devices. Card also comes with a limited lifetime product support.