Whizzotech 3-Port USB 3.0 HUB with 10/100/1000 Gigabit Ethernet Converter LAN Network Adapter For Windows XP Vista, Win 7, Win 8, Mac OS X, (USB 3.0 port to A RJ45 Gigabit Ethernet Port) 2-in-1 dual functionality: Three USB 3.0 ports and one 10/100/1000M Gigabit Ethernet Adapter Fast and stable: These USB 3.0 ports elevate data transfer speeds up to 5Gbps (or 10 X faster than USB 2.0!); Gigabit Ethernet achieves 1000 Mbps operation, providing a faster, more stable connection than Wi-Fi Supports 10/ 100/ 1000 Mbps auto-sensing capability Supports USS full and high speed modes with bus power capability Plug and Play Installation