Lexar Professional SDHC / SDXC 1667x UHS-II 64GB Memory Card. Whether you're a professional photographer, videographer, or enthusiast, Lexar professional 1667x SDXC UHS-II cards make it easy to quickly capture and transfer 1080P full-HD, 3D, and 4K video. The cards leverage UHS-II technology (UHS speed Class 3 (U3)) to deliver High-Speed performance - up to 250MB/s (1667x). this dramatically accelerates workflow from start to finish. For versatility, the cards also work with UHS-I devices at UHS-I speeds, and they're backwards compatible with older cameras and readers, performing at Class 10 speeds when used with non-UHS devices. Cards also come with a limited lifetime product support. Product Highlights: High-Speed Performance. Fast Video Capture. With V60 Speed Class. For Professional Users. Product Features: Professional-Level Performance With Exceptional Quality. The Lexar Professional 1667x SDXC UHS-II card let you quickly capture and transfer high-quality photos, including 1080p Full-HD, 3D, and 4K video, with a read transfer speed up to 250MB/s 1. This card leverages UHS-II technology (UHS Speed Class 3 (U3)) for high-speed performance. This dramatically accelerates workflow from start to finish. Shoot High-Quality Images And 1080p Full-HD, 3D, And 4K Video. Using a DSLR, cinema-quality video cameras or 3D camera you’ll be able to leverage the latest photo and video features available for shooting high-quality images and stunning 1080p Full-HD, 3D, and 4K video. Capture Extended Lengths Of Video With High-Capacity Options. With growing HD, 3D, and 4K video capabilities, you need high-performance cards you can rely on, and high-capacity options to keep you shooting longer without changing cards. The Lexar Professional 1667x SDXC UHS-II card makes it easy by leveraging UHS Speed Class 3 (U3) performance. Save Time With Dramatically Accelerated Workflow. The high-speed performance of Lexar Professional 1667x SDXC UHS-II cards dramatically accelerate your workflow from start to finish, so you can save time and get back to the business of photography2. Backwards Compatible 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 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 250MB/s read, up to 120MB/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). Dimension (L x W x H) - 32 mm x 24 mm x 2.1 mm / 1.25” x 0.95” x 0.08". Warranty - Limited lifetime warranty.