TP-Link UH720 Powered USB Hub 3.0 with Two Smart Charging USB Ports for Mac and Windows and Seven USB 3.0 Data Ports Power On/Off Button: sourced from the producer Expand the Ports That Are Available For anyone who has a computer with one or two USB ports and wants simple access to more ports without switching out equipment, the UH720 is ideal. * Many computers have hard-to-locate USB ports; many laptops only have one or two ports.