Lexar High-Performance 800x PRO SDHC/SDXC UHS-I cards from the Blue Series are designed for fully automatic and mid-range DSLR cameras as well as HD camcorders. They feature fast transfer speeds of up to 150 MB/s, allowing you to capture and quickly transfer high-resolution images and 4K UHD videos perfectly. These cards provide the performance and durability you need for recording and storing valuable data. The Lexar High-Performance 800x PRO SDHC/SDXC UHS-I cards from the Blue Series undergo rigorous testing and are waterproof, temperature-resistant, shockproof, vibration-resistant, and X-ray safe.