Card reader for reading and writing to all common memory cards super speed data transfer rates of up to 5 gbps additional usb cable for connecting to a pclaptop hot swapping allows data to be directly transferred from memory card to memory card allows fast data transfer between the card and the pc when used with a udma capable cf card allows fast data transfer between the card and the pc when used with a uhs i capable sd card suitable and tested for usb 30 downward compatible with usb 20 usb 30