High-speed performance when you need it most Designed for your DSLR or mirrorless camera, the Lexar Professional 1066x SDXC UHS-I Card SILVER Series lets you quickly capture and transfer high-quality photos, including Full-HD and 4K UHD video with speeds 160MB/s read, and 70MB/s write. These cards dramatically accelerate workflow from start to finish maximizing your creativity. Quickly transfer content This card leverages UHS-I technology to deliver read speeds up to 160MB/s (1066x) allowing you to transfer high-quality 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. Capture the action in 4K UHD Never miss the action. The Lexar Professional 1066x SDXC UHS-I Card allows you to capture high-quality images and extended lengths of stunning, Full-HD and 4K UHD video with write speeds 70MB/s. Capture stunning shots with sequential burst mode With its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings, the Lexar Professional 1066x SDXC UHS-I Card SILVER Series lets you stay on top of all the action with sequential burst mode shots. Designed for durability 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 UHS-I Card SILVER Series are rigorously tested, and designed to be water, shock, vibration and X-ray proof. 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.