Asus NX1101 Gigabit PCI Fast...
D-Link DUB-1312 USB 3.0 to Gigabit Network Interface Card
Equip your PC, notebook or netbook with the DUB-1312 USB 3.0 Gigabit adapter to immediately use a Gigabit connection. The adapter connects SuperSpeed USB 3.0, Gigabit Ethernet. So you can quickly transfer large files, stream HD movies without waiting or backups done on a server or network storage in no time. Connect use the DUB-1312 into an available USB 3.0 port and you're ready your network with the speed and reliability of a wired gigabit connection.