ProCIV 3-Port USB 3.0 HUB 10/100/1000 Gigabit Ethernet Converter (3 USB 3.0 Ports, A RJ45 Gigabit Ethernet Port, Support Windows XP, Vista, Win7/8 (32/64 bit), Mac OS 10.6 Above, Linux) Expands your PC with three USB 3.0 ports and one RJ45 Gigabit ethernet port, an especially flexible solution for ultrabooks, notebooks and tablets featuring USB interfaces. The device ensures a neat and uncluttered arrangement of all connections making sure that plugs and cables do not interfere with each other. Manufactured from highly robust stainless steel plastic to form a compact and lightweight design that provides easy portability. USB 3.0 super speed (theoretical maximum transfer of up to 5 Gbps) and full Gigabit ethernet connection resources. Supports IPv4/IPv6 protocols, dual channel transfer mode, auto transfer and data stream reversing regulation. Theoretical transfer speed of up to 5 Gbps (actual transmission speed is limited by the settings of the device connected), backwards compatibile with USB 2.0/1.1/1.0.If our product can not connect with your computer, may be you need go to our website to download the driver.Especially for Win10 users of the system.We will upgrade of the products as soon as possible to meet customer needs. Compact unibody design effectively saves precious desk space with delicate design.