Pro plus sd card fast memory cards up to date extreme read and write speeds the ultra fast sd pro plus sets new standards for professional photography all cards are specified for uhs i speed class 3 u3 and also meet class 10 thus these memory cards are ideal for 4k uhd video recording and playback the transfer rates of up to 95 mb s read and up to 90mb s write allow the transfer of data for a variety of purposes in the shortest possible time and maximize your shots cameras continuou