StarTech.com USB 3.0 to Gigabit Ethernet Adaptors - StarTech.com USB31000SA, You can gain fast, reliable network access for your MacBook, Chromebook™ or tablet, even if it doesn't have an Ethernet port with this USB 3.0 to Gigabit network adaptor from StarTech.com. This adaptor adds a single RJ45 Ethernet port to your computer through your USB 3.0 port instantly with no driver required.Engineered with a quality aluminium housing in a silver finish, this USB network adaptor is the ideal laptop accessory. You don't have to carry a power adaptor with you to use it, because it's powered directly from the host USB port.Ideal for office or home use, the USB 3.0 network adaptor supports full Gigabit bandwidth by harnessing the performance of USB 3.0 (5 Gbps). You can quickly access very large files over a Gigabit network, saving valuable time every day. The Realtek chipset gives you the assurance of reliable performance.Simply plug this Ethernet cable adaptor into the USB port on your laptop and connect to your network. The network adaptor chipset provides native driver support, so you don't have to worry about installing additional software.The USB31000SA is backed by a 2-year warranty and free lifetime technical support. StarTech.com USB31000SA USB 3.0 To Gigabit Network Adapter - Silver