High-speed, Class 10 performanceleverages UHS-I technology for a read transfer speed up to 633x (95MB/s) Capture high-quality images and extended lengths of stunning 1080p full-HD, 3D, and 4K video with a DSLR camera, HD camcorder, or 3D camera Enjoy shooting longer without changing cardslarge capacity options up to 512GB High-speed file transfer from card to computer to dramatically accelerate workflow Includes downloadable software to recover most photo and select video files Lexar Professional 633x SDHC/SDXC UHS-I cards let you quickly capture and transfer high-quality photos and 1080p full-HD, 3D, and 4K video, with a read transfer speed up to 633x (95MB/s). The cards leverage UHS-I technology (U1 or U3, depending on capacity) for high-speed, Class 10 performance. And when using a USB 3.0 card reader, youll power through post-production with high-speed card-to-computer file transfer. This dramatically accelerates workflow from start to finish, so you can save time and get back to the business of photography. Operating Temperature 0 Degrees Celsius to 70 Degrees Celsius (32 Degrees Fahrenheit to 158 Degrees Fahrenheit) and Storage Temperature -25 Degrees Celsius to 85 Degrees Celsius (-13 Degrees Fahrenheit to 185Degrees Fahrenheit) .