Designed for your DSLR or mirrorless camera, the Lexar Professional 1066x SDXC UHSI Card Silver Series lets you quickly capture and transfer highquality photos, including FullHD and 4K UHD video, with speeds up to 160MB/s read and up to 120MB/s write. These cards dramatically accelerate workflow from start to finish, maximizing your creativity. This card leverages UHSI technology to deliver read speeds up to 160MB/s (1066x), allowing you to transfer highquality photos and 4K UHD video with ease. This card is Class 10, UHS Speed Class 3 (U3), and Video Speed Class 30 (V30), giving you the performance you need to shoot faster and longer. Never miss the action. The Lexar Professional 1066x SDXC UHSI Card allows you to capture highquality images and extended lengths of stunning FullHD and 4K UHD video with write speeds up to 120MB/s. With its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings, the Lexar Professional 1066x SDXC UHSI Card Silver Series lets you stay on top of all the action with sequential burst mode shots. These cards provide the performance and durability you need to capture and store valuable data in a variety of elements. The Lexar Professional 1066x SDXC UHSI Card Silver Series is rigorously tested and designed to be shock, vibration, and Xray proof. 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.