Extreme PRO CFast 2.0 Memory Card

4K video (4096x2160p) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD 30-year warranty in Germany, Canada, and regions not recognizing lifetime warranty. See www.sandisk.com/wug Registration required; terms and conditions apply. Video Performance Guarantee enabled to support cinema-quality 4K video recording at 130MB/s minimum sustained write speed. 128GB-512GB: Up to 525MB/s read speed; Up to 450MB/s write speed. 64GB: Up to 525MB/s read speed; up to 430MB/s write speed. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes. 1 GB=1,000,000,000 bytes. Actual user storage less.