SanDisk Extreme PRO SDHC and SDXC UHS-II memory cards are ideal for super-fast continuous shooting, efficient post-production workflows and cinema-quality video capture. With recording speeds of up to 260MB/s and transfer rates of up to 300MB/s, the high-performance memory cards enable storage of up to 256GB of 8K, 4K and Full HD quality video. Temperature resistant -20 to 85°C, waterproof, shockproof.