Designed for your DSLR or mirrorless cameras, the Lexar Professional 1800x SDXC UHS-II Card GOLD Series lets you quickly capture and transfer high-quality photos and stunning Full-HD and 4K video with speeds up to 270MB/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. Product Features: Speed Up Your Workflow. Lexar Professional 1800x SDXC UHS-II Card GOLD Series offers super-fast read speeds up to 270MB/s to accelerate your post-production workflow - saving you time and getting you back to the business of photography. V60 rated for Smooth Full-HD and 4K Video Capture. With the latest UHS-II technology and write speeds up to 180MB/s, the Lexar® Professional 1800x SDXC™ UHS-II Card GOLD Series allows you to handle photos in burst mode with ease. And, with V60 and UHS Speed Class 3 (U3), seamlessly capture stunning Full-HD and 4K video with large capacity options up to 256GB. Designed for Durability. These cards provide the performance you need to capture and store valuable data in a variety of elements. Lexar® Professional 1800x SDXC™ UHS-II Card is water-proof, temperature-proof, shockproof, vibration-proof, and X-ray-proof. UHS-I Backwards Compatible. For versatility, the cards are also backwards compatible with UHS-I devices, performing up to the maximum thresholds of UHS-I speed capabilities. 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. Product Specifications: Speed. up to 270 MB/s read, up to 180 MB/s write. Operating Temperature. 0 °C to 70 °C (32 °F to 158 °F). Storage Temperature. -25 °C to 85 °C (-13 °F to 185 °F). Speed Class. Class 10, U3, V60. Warranty. Limited lifetime warranty