The ultra high speed pro sdhc uhs i memory card supports digital devices with sd card slot with the class 10 and uhs i u3 speed standard the read and write speed are up to 90mbs and 80mbs providing speedy access to a large number of files the flash chip adopts mlc technology with which enhances the storage stability and performance of the card it supports 4k full hd recording you can enjoy the highest quality of video chips read up to 90mbs write up to 80mbs features65306 re