How long is the usb cable on the hub and card reader? It looks like it does not detach.. John June 26, 2018 23:27 Updated Follow A. Yes, the cable is attached to the hub and cannot be removed. The Type-C USB cable is ~ 4". Related articles Quick Guide What are the USB ports capable of charging devices at? What is the difference between the Thunderbolt 3 port and the Type-C port? If you are experiencing any HDMI display, Ethernet connectivity, USB, or card reader issues, first complete an SMC reset. Is the cable long enough to connect to an iMac? Comments 0 comments Please sign in to leave a comment.