Designed for your mid-range DSLR, HD camcorder, 3D camera, Lexar® High-Performance 633x SDHC™/SDXC™ UHS-I cards BLUE Series let you quickly capture, and transfer high-quality photos of stunning 1080p Full-HD, 3D, and 4K UHD video2, with read speeds of up to 633x (95MB/s)1. These Class 10 cards leverage UHS-I technology to deliver high-speed performance. And when using a USB 3.0 card reader, you’ll 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.

Calling all adventure seekers! Make the most of your adventures in the great outdoors by leveraging the power and performance of these cards. So, whether you’re using a mid-range DSLR, HD camcorder, 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 UHD video2.

The high-speed performance of Lexar High-Performance 633x SDHC/SDXC UHS-I cards dramatically accelerate your workflow from start to finish, so you can save time and get back to the business of photography.

The cards are speed rated at Class 10, and leverage UHS-I technology to deliver a transfer speed up to 95MB/s (633x)1, these high-capacity cards give you the speed and space you need to capture, transfer, and share more adventures on the go.

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.

Source of above information.