This sturdy, industrial grade USB hub 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).