BobjGear USB 3.0 SuperSpeed to RJ45 Gigabit Ethernet Adapter for Microsoft Windows, Linux, Mac OSx. USB 2.0 Compatible Next Generation ASIX AX88179 Chipset. 2 Year Adapter Limited Warranty Included. "Next Generation" ASIX AX88179 USB 3.0 SuperSpeed to RJ45 Ethernet Adapter made for MS Windows, Linux, and Mac OSX. Uses 40 percent less Laptop Battery than AX88178 Gigabit Adapters, and typically runs 30 to 100 percent faster than USB2 Gigabit Ax88178 adapters. Exceeds USB2 enabled Gigabit Adapters limit of 480 Mbps. USB3 SuperSpeed Ethernet Adapter max speed approaches 960 Mbps. Fastest speeds are attained using USB 3 (SuperSpeed) ports. An Adapter for network knowledgeable people who are able to design their LAN to operate at Gigabit USB3 speeds. Backwards Compatible with USB 2.0 but speed is limited by your USB2 port to a max 480 Mbps. This Adapter will not enble your Internet Provider to run faster. Drivers are included or Available on-line. for MS Windows 32 and 64 bit, Linux, OSx 10.6 and up, RoSH, CE, FCC compliant.