the additional sauce with this hub is that you could power it with an exterior 5V adapter. There's a 2 Amp adapter integrated, which needs to be loads to operate even power-hungry cameras, WiFi adapters, and flash https://zoyakcjx775464.blogoscience.com/36480491/5-easy-facts-about-iogear-2-port-usb-2-0-automatic-printer-switch-described