News *Video USB 3.0 7 Port Metal Hub USBG-7U3ML Posted on January 23, 2013April 7, 2014 by R. Roz. 23 Jan USB 3.0 7-Port Industrial Hub Metal Case with Din-Rail Mount Walk Around For more detailed specifications, click the following link: USBG-7U3ML USB Serial ANDROID Tablet Support Keeping up with USB Hubs