Product Description: 64GB Storage Capacity UHS-II / U3 / Class 10 Max. Read Speed: 300 MB/s Max. Write Speed: 260 MB/s Min Write Speed: 30 MB/s Records Full HD, 3D, and 4K Video Water / Shock / X-Ray Proof Built-in Write-Protect Switch Supports Advanced Shooting Modes Downloadable RescuePRO Recovery Software 64GB / UHS-II Speed Class 3 (U3) / Up to 300MB/s Read and 260MB/s Write - Maximum performance for SDHC compatible DSLR Cameras and Camcorder with 3D, 4K and Full HD Video The 64GB Extreme PRO SDHC UHS-II Memory Card from SanDisk offers uncompromising read and write speeds professional photographers and videographers require. This 64GB Extreme PRO SDHC UHS-II memory card delivers exceptional read speeds of up to 300MB/s for maximum efficiency and write speeds of up to 260MB/s to handle all your camera’s advanced modes. Optimized for cameras that support the new UHS-II standard, the card has a UHS Speed Class 3 Rating, the highest available to support 4K, Full HD, and 3D video recording and advanced camera functions such as continuous burst, rapid shooting, RAW and JPEG capture. Maximum performance for faster workflow and burst shooting. Best for cinema-quality 4K and Full HD video Shot speeds up to 260MB/s (1733x) and transfer speeds up to 300MB/s (2000x) UHS Speed Class 3 (U3) allows you to record 4K and Full HD (1080p) video at sustained video capture rate of 30 MB/s Recording time for 64GB: 4K at 500 MB/s - 16 Minutes Full HD at 50 MB/s – 160 Minutes