Http://www.webopedia.com/DidYouKnow/Hardware_Software/FiveGenerations.asp
YOUR ANSWER IS -------- It accepts a RJ-45 connector
hope i helped you :).
take care
The turbo button provides 2 run states for the computer. Normal, or reduced speed. The name is actually inspired by turbocharger a turbine-driven force induction device that increases the engines power and efficiency