USB 3.0 to Gigabit Ethernet adapter adds network connectivity to a computer with a USB 3.0 port; supports SuperSpeed USB 3.0 data transfer rate up to 5Gbps for 1000 Base-T network performance with backwards compatibility to 10/100 Mbps networks; Connect with a Cat6 Ethernet cable (sold separately) foe best performance. Wireless alternative for connecting to the internet in WI-FI dead zones, streaming large video files, or downloading a software ipgrade through a wired home or office LAN; USB 3.0 to Ethernet adapter provides faster data tranfers and better security than most wireless connections; ideal solution for replacing a failed network card or upgrading the bandwith of an older computer. Driver free installation with native driver support in Chrome, Mac and Windows OS; network adapter dongle supports important performance features including Wake on Lan (WoL), full duplex (FDX) and Half-Duplex (HDX) Ethernet, crossover detection, backpressure routing, auto correction (Auto MDIX). Lightweight USB to ethernet adapter weighs less than 1 ounce for easyportability in your laptop case; add a standard RJ45 port to your ultrabookor Macbook with a USB 3.0 port for filetransfers, video streaming and gaming. Chrome, Mac and Windows compatible with windows 10/8/8.1/7/Vista and Mac 10.6/10.7/10.8/10.9/10.10/10.11/?10.12; Does not support Windows RT or Android.