The cards certified with Class 10 UHS-1 U3, featuring speeds of up to 100 MB/s, are the fastest SD cards available. Be always ready for super-fast action shots and 4K Ultra HD videos without missing a thing. With a transfer rate of up to 100 MB/s, the PNY SD Pro Elite meets the demands of professional photographers, allowing them to capture even more images per second at the crucial moment. Ideal for professional DSLR cameras and 4K Ultra video recording. Class 10 UHS-1 U3.