Professional-Level Performance To Capture Stunning 4K VideoDesigned 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 read1. With the latest UHS-II technology and Video Speed Class 60 (V60) rating. this card dramatically accelerates your workflow from start to finish.Speed Up Your Workflow From The Field To Post-ProductionLexar Professional 1800x SDXC™ UHS-II Card GOLD Series offers super-fast read speeds up to 270MB/s1 to accelerate your post-production workflow - saving you time and getting you back to the business of photographyV60 Rated To Capture Smooth Full-HD And 4K VideoWith 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)2. seamlessly capture stunning Full-HD and 4K video with large capacity options up to 256GB.Designed For DurabilityThese 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-proof3.Backwards Compatible At The Highest UHS-I SpeedsFor versatility. the cards are also backwards compatible with UHS-I devices. performing up to the maximum thresholds of UHS-I speed capabilities.Rigorously TestedAll 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.