General Information Extreme speed to catch every frame For super-fast continuous burst mode shots, maximum post-production workflow efficiency, and high-performance video recording, get SanDisk Extreme PRO SDHC and SDXC UHS-II cards. The high-performance SDHC and SDXC memory cards boast shot speeds up to 260MB/s (1733X) and transfer speeds up to 300MB/s (2000X). UHS Speed Class 3 (U3) supports 32GB to 128GB of Full HD and cinema-quality 4K video recording. Optimized for cameras that support the new UHS-II standard, SanDisk Extreme PRO SDHC and SDXC UHS-II cards deliver the uncompromising results that professional photographers demand. Designed for Professionals Professional cameras and high-resolution camcorders deserve the power, performance, capacity and reliability of SanDisks latest innovations. This is why professional photographers and videographers trust SanDisk® memory cards. Speeds of up to 300MB/s Read and 260MB/s Write For maximum efficiency, SanDisk Extreme PRO SDHC and SDXC UHS-II Cards deliver extremely fast transfer speeds of up to 300MB/s for post-production workflow. Write speeds of up to 260MB/s handle rapid shots, sequential burst mode, and RAW plus JPEG capture with ease. Cinema-quality 4K Video Capture With UHS Speed Class 3 (U3) rating, SanDisk Extreme PRO SDHC and SDXC UHS-II cards let you capture uninterrupted cinema-quality 4K and Full HD video. This makes them ideal for professionals recording extreme sports and other fast-action activities without dropping frames. Designed to Withstand Extreme Environments SanDisk Extreme PRO SDHC and SDXC UHS-II Cards are shockproof, temperature-proof, waterproof and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card. Easy File Recovery with RescuePRO® Deluxe Software The card comes with a RescuePRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidentally deleted (download required). Technical Information Storage Capacity: 64 GB Memory Speed: 2000x Maximum Read Speed: 300 MB/s Maximum Write Speed: 260 MB/s Speed Class Ratin Class 10/UHS-II (U3) Physical Characteristics Width: 0.9″ Thickness: 82.7 mil Length: 1.3″ Warranty Limited Warranty: Lifetime Product images may differ from actual product appearance.