Fast data transfer thanks to USB 3.0 and Gigabit LAN With the USB 3.0 three-port hub and Gigabit LAN Adapter, you can connect three additional USB 3.0 high-speed devices to your Ultrabook™, notebook, subnotebook, Macbook Macbook Air etc. Printers, hard disks, flash memory, card readers, speakers and many other devices can be easily connected via the USB interface. In addition, the adapter adds a Gigabit Ethernet port to your computer, making it network-ready - since many mobile devices can only be connected to the network via wireless LAN.