Enjoy extreme continuous shot-to-shot performance up to 60MB/s write speed and transfer files fast with read speeds up to 90MB/s. Available in storage capacities from 16GB to 64GB, SanDisk Extreme SDHC/SDXC cards are built for and tested in harsh conditions4; temperature proof, water proof, shock proof, and X-ray proof and come with downloadable RescuePRO Deluxe data recovery software to recover accidentally deleted images, so you’ll never lose a good day’s work. Key Features: - Up to 60MB/s write speeds for faster shot-to-shot performance and up to 90MB/s for faster transfer - Highest SD card video recording performance with both Class 10 and UHS Speed Class 3 (U3) ratings for capturing Full HD and 4K Ultra HD (3840x2160p) video3 - Up to 64GB capacity for longer video shoots and uninterrupted photo sessions