The lexar pro cr2 workflow cfast reader usb 30 and thunderbolt 20 can be used as a standalone cfast card reader includes standard usb cable for connection to a computerlaptop or used in conjunction with the lexar pro hr2 workflow hub not included available separately the cr2 cf reader supports lexars new range of cfast 20 memory cards and features a usb 30 and thunderbolt 2 interface