Designed for DSLR or mirrorless cameras, the Lexar Professional 1800x SDXC UHS-II Card GOLD Series allows you to quickly capture and transfer high-quality photos and stunning Full-HD and 4K video with speeds up to 280MB/s read. With the latest UHS-II technology and Video Speed Class 60 (V60) rating, this card dramatically accelerates your workflow from start to finish. It offers super-fast read speeds up to 280MB/s to accelerate your post-production workflow, saving you time and getting you back to the business of photography. With write speeds up to 210MB/s, you can handle photos in burst mode with ease. Thanks to V60 and UHS Speed Class 3 (U3), you can seamlessly capture stunning Full-HD and 4K video with large capacity options up to 512GB. These cards provide the performance you need to capture and store valuable data in a variety of elements. Lexar Professional 1800x SDXC UHS-II Cards are waterproof, temperature-proof, shockproof, vibration-proof, and X-ray-proof. For versatility, the cards are also backwards compatible with UHS-I devices, performing up to the maximum thresholds of UHS-I speed capabilities. All Lexar products undergo extensive testing in the Lexar Quality Labs.