Professional-Level Performance To Capture Stunning 4k Video. 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 280MB/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-Production. Lexar Professional 1800x SDXC™ UHS-II Card GOLD Series offers super-fast read speeds up to 280MB/s1 to accelerate your post-production workflow - saving you time and getting you back to the business of photography. V60 Rated To Capture Smooth Full-HD And 4K Video. With the latest UHS-II technology and write speeds up to 210MB/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 1TB. 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-proof3. Backwards Compatibility At The Highest UHS-I Speeds. 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 products undergo extensive testing in the Lexar Quality Labs, facilities with thousands of different cameras and digital devices to ensure performance, quality, compatibility, and reliability. Specifications. Card Type: SDXC. Storage Capacity: 1 TB. Speed: 256GB-1TB: up to 280MB/s read, up to 205MB/s write1. Operating Temperature: 0 °C to 70 °C (32 °F to 158 °F). Storage Temperature: -25 °C to 85 °C (-13 °F to 185 °F). Dimension (L x W x H): 32 mm x 24 mm x 2.1 mm/1.25” x 0.95” x 0.08”. Speed Class: Class 10, U3, V60. Read Speed: 280 MB/s. Write Speed: Maximum: 205 MB/s Minimum: 60 MB/s