KDLINKS Super Speed USB 3.0 to 10/100/1000M Gigabit Ethernet LAN Network Adapter - 2015 New Model with Better Technology/Chipset Summer Promotion: $12.95 only. Limited Time Offer, End Anytime Soon! Limited Quantity USB 3.0 male A to RJ45 female adapter supporting 10/100/1000 Ethernet Powered directly from the USB ports - no external power adapter needed PHY USB 3.0 Controller, Comply to USB 3.0 Standard, Downward compatible with USB 2.0/1.1 For desktop and notebook PCs, supports hot swap, plug & play; Support OS: Windows XP,2000,Vista,7,8 and Mac OS X 10.6 and above