Professional performance for travel enthusiasts Designed for your action camera, drone or high-end smartphone, the Lexar Professional 1800x SDXC UHS-II cards make it easy to quickly record, playback and transfer multimedia files, including 4K videos. The cards use UHS-II technology (UHS speed class 3 (U3)) for high performance of up to 270MB/s (1800x). High-speed performance you can count on Lexar Professional 1800x SDXC UHS-II cards deliver performance you can count on. They use UHS-II technology (UHS speed class 3 (U3)) and offer read speeds of up to 270MB/s (1800x). It gives you the speed you need to capture, move and share your adventures on the go. Capture adventures in 4K resolution Whether you're filming action with your action camera or drone, you can quickly record, playback and transfer longer, high-quality 1080p Full HD, 3D and 4K videos so you can easily save more than 30 hours of your greatest moments and relive the action. Get more out of your multimedia It's also great for use with a tablet or smartphone, as the cards make it easy to quickly download or store all your favourite media files, including premium movies, photos and songs. Easily transfer files with the included adapter Cards come with an SD-UHS-II adapter for easy transfer from one device to another. This greatly speeds up the workflow from start to finish, so you can capture the action faster.