This USB hub turn a single USB 2.0 port into 7 external USB 2.0 ports. Of those, six are USB-A ports and one is a USB-B port. The hub supports cascaded installation with other USB 2.0 hubs, supporting up to 127 USB 2.0 device connections - a scalable solution for connecting multiple USB devices to a single host computer. The hub includes a power adapter, but can be powered through USB bus connection to the host computer - allowing you to install the hub as needed without worrying about the availability of a power outlet.
Features
7 Port Powered USB Hub. 6 USB-A & 1 USB-B. Optional Power Supply Included.