FOR SANDISK 512GB Extreme microSD Card + Adapter, Up to 190MB/s Read Speeds

Up to 60MB/s write speeds for fast shooting (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.) Up to 100MB/s read speeds to save time transferring high-res images and 4K UHD videos (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.) Capture stunning 4K and 5K UHD video (Compatible device required. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.) Rated A1 for faster loading and in-app performance (A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type and other factors.) Built for and tested in harsh conditions: temperature-proof, waterproof, shockproof and X-ray proof (Card only. See official SanDisk website for additional information and limitations.)