What's the input voltage specification for this for the power supply? Noriko June 04, 2020 18:37 Updated Follow A. The 7-Port hub works with 100-240V and includes a power supply with a standard USA plug. Related articles Will this product charge my iPad? Does the USB Hub come with a USB 3.0 cable? If so, how long is the cable? How many amps does the power supply for this hub output? I want to know if it will be enough for my use. What is the difference between v1 & v2? Can you connect and read external hard drives and phones? Comments 0 comments Please sign in to leave a comment.