eFilm PRO cards are designed to be fast and durable for extensive shooting in the most extreme conditions. Our PROcards are solid-state and optimized for use in professionalgrade SLR digital cameras. With sustained write speeds up to and exceeding 3.6 MB/sec, image capture times are greatly reduced to save time when shooting that perfect image.Available in a variety of high-speed capacities, the eFilm PROcard is designed to last and built for speed.