How long is the USB cable on this Hub? A. The USB-C connecting cable is approximately 12.5". It is not detachable cable. Related articles Quick Guide and Instructional Manual Does the SD card readers support UHS-2? How fast is the card reader? Will this hub work when used with a USB-A to USB-C adapter to connect to an older iMac or Windows Computer? Quick Guide and Instructional Manual Comments 0 comments Article is closed for comments.