UNMATCHED SPEED - Experience rapid file transfers with up to 280MB/s read and 205MB/s write speeds, leveraging UHS-II technology for ultimate workflow efficiency. GENEROUS STORAGE - Capture more high-quality images and stunning 4K UHD video with a substantial 256GB capacity, perfect for extended shoots and large projects. RUGGED DURABILITY - Built with a robust stainless steel casing, this card withstands extreme temperatures from -13°F to 185°F, ensuring data safety in harsh conditions. VERSATILE COMPATIBILITY - Seamlessly integrates with UHS-II enabled cameras and readers, while also being backwards compatible with UHS-I devices for broader use.