SPEED: 200 MB/s Read, Up to 80 MB/s Write, UHS-II, U3 Speed Class UNPARALLELED QUALITY: Rigorous 100% card testing for highest quality assurance. Serialized tracking of key components and manufacturing data for the highest quality control. Three year warranty COMPATIBILITY: DJI, GoPro, Canon, Sony, Nikon, Olympus, Panasonic, Fuji, Samsung