Pace sensible, we could only extract a max online video read speed of 223MB/s and 198MB/s write amount from our UHS-II SD card - not awful, but a way shot of some other readers we have analyzed. Graphic transfer general performance is worse still, with 152MB/s read through and 98MB/s https://supertop-shop.com/usb-3-0-sd-and-micro-smart-card-reader/