TeckNet® Adapter USB 3.0 to RJ45 Gigabit Ethernet up to 10/100/1000 Mbit / s (Electronics)
Very useful if there is no adapter rj45 on his laptop. For cons, I could never make it work with my windows 8.1 because it disconnects all the time. I have not managed to find if it was of the adapter itself (because it was not compatible with my ope