What kind of USB ports are these? Noriko July 11, 2018 08:49 Updated Follow A. These are USB 3.0 up to 5Gbps. Related articles Will this attach to all Mac computers? Quick Guide Will this device be available in different color-ways? Can you connect and read external hard drives and phones? How long is the cable from the back of the clamp to the computer? Comments 0 comments Please sign in to leave a comment.