Fosmon USB 3.0 to RJ45 10/100/1000Mbps Gigabit Ethernet LAN Network Adapter AX88179 QF QFN68 Chipset (White) Latest technology using AX88179 chipset USB 3.0 male A to RJ45 female adapter supporting 10/100/1000 Ethernet Supports both 32-bit and 64-bit Windows 8.1/8.0/7/Vista/XP, Windows CE 7.0/6.0, Apple Mac OS X 10.6 to 10.9, Linux Kernel 3.x/2.6.x Supports crossover detection and auto-correction Supports IEEE 802.3az (Energy Efficient Ethernet)