Brand new, factory sealed. This Macally adapter allows for a quick and easy way to connect your computer to a high-speed Ethernet network. With a USB 3.0 interface, it offers fast data transfer rates of up to 1000 Mbps. The adapter is compatible with the U3GBA model and features an Ethernet (RJ-45) female connector and USB 3.0 connector. It is perfect for those in need of a reliable, high-performance network adapter for their computer.