The MicroConnect 3-Port USB 3.0 Hub with Gigabit Ethernet Adapter was made specifically with today's busy Ultrabook™ user in mind. Connect to an available USB 3.0 port on your Ultrabook or PC, and the adapter expands your connections with three extra SuperSpeed USB 3.0 ports and an RJ45 Gigabit Ethernet port. Get network speeds of up to 10, 100 or even 1000 Mbps.