256 GB SDXC Class 10 UHS-II Class 3 (U3) V90 300 MB/s Shock resistant, Temperature proof, Waterproof, X-ray proof Black Catch Every Breathtaking FrameCapture every one-shot moment in stunning cinema-quality 8K, 4K, and Full HD video with a super-fast SDmemory card.Tap into Pro PerformanceProfessional photographers and videographers need professional equipment to tackle every demanding stage of a production. The SanDisk Extreme PRO SDHC/SDXC UHS-II cards deliver the outstanding performance professionals need to streamline every creative project from pre- to post-production.Speeds of up to 300MB/s Read and 260MB/s Write1For enhanced post-production workflow efficiency, SanDisk Extreme PRO SDHC and SDXC UHS-II cards deliver extremely fast transfer speeds of up to 300MB/s1. Write speeds of up to 260MB/s1 handle rapid shots, sequential burst mode, and RAW+JPEG capture with ease.Cinema-quality 8K and 4K Video Capture3With V90 and UHS Speed Class 3 (U3) ratings4, SanDisk Extreme PRO UHS-II