Rosewill 7-Port USB 3.0 Hub with Switch On/Off (RHB-371-GREY) Standards: USB 3.0 Ports: 7 Ports Transfer Rate: Up to 5 Gbps Power Input: 5V2A Operating System Supported: Windows 95/98/ME/2000/XP/Vista/7/8, Mac 8.6 or later Designed switch on and off on individual USB port Current Overload detection and protection design for each port