StarTech.com Mountable USB 2.0 Hubs - StarTech.com ST4200USBM, This sturdy, industrial grade USB hub from StarTech.com can be wall mounted or installed onto a DIN rail for convenient access to its 4 female USB ports, providing a work area, server room, or industrial area with USB 2.0 connectivity.With support for Hi-Speed USB 2.0 data transfer rates of up to 480 Mbps, this 4 port USB hub is backwards compatible with USB 1.1 specifications and can be powered through the host USB bus, or self powered using a three wire terminal block connector (7-24V). It is backed by a 2-year warranty and free lifetime technical support. StarTech.com ST4200USBM Mountable 4 Port Rugged Industrial USB Hub