The USB 3.0 Ethernet Adapter allows a users computer to instantly connect to a 10/100/1000 Mbps network through an existing USB port. There is no need to purchase an extra Gigabit network card that uses a PCI or CardBus slot. With compliance to USB 3.0 specification this adapter ensures true 10 / 100 / 1000 Mbps network speed without any compromise. The USB bus-powered design means external power is not required. Specification: USB 3.0 to 10 / 100 / 1000 Mbps Gigabit Ethernet Supports all USB 3.0 power saving models Supports Wake-on-LAN function Supports Green Ethernet Supports IEEE 802.3az (Energy Efficient Ethernet) Supports IP v4 / IP v6 pack Checksum Offload Engine (COE) to reduce CPU loading System Requirements: Windows XP Windows 7 Windows 8 Windows 8.1 Mac OS Package Contents: 1x Gigabit USB 3.0 Ethernet adapter CD (Driver and user manual) Quick Installation Guide