Dell Alienware M11x R3 (Early 2011) - Manual (Page 28)

CHAPTER 2: GETTING TO KNOW YOUR LAPTOP
26
Right View Features
1 2 3
1 Audio out/Headphone connectors (2) — Connect to a pair of headphones or to a
powered speaker or sound system.
2 Audio in/Microphone connector — Connects to a microphone or inputs signal for
use with audio programs.
3 USB 3.0 connectors (2) — Provide faster data transmission between your
computer and USB devices.