dodocool USB 3.0 Hub 3-Port Free Driver with RJ45 Gigabit Ethernet Adapter Support 10/100/1000 Mbps Ethernet [Free Driver] Without complex installation,plug and play. [3 USB3.0 ports] 5Gbps theoretical transmission speed, free driver for Win8 as well. Integrated USB3.0 PHY controller, in line with USB3.0 transmission specifications. [Wide compatibility] Downwards compatible with USB2.0/USB1.1.Single Chip USB3.0 to 10/100/1000M Gigabit Ethernet controller supports IEEE 802.3az Energy Efficient Ethernet (Energy Efficient Ethernet / EEE). [Support devices] Supports IPv4 and IPv6 packets checksum offload engine(COE) to reduce CPU load. Supports Windows XP and above, and MAC OS X V10.6 and 10.8, hot swappable. [Support functions] Supports full duplex operation with IEEE 802.3x flow control and half duplex operation with back-pressure flow control.Supports Wake on LAN function.