Microphone Port; Network Port - Alienware Aurora R5 Setup And Specifications

USB 3.1 Type-C port
5
Connect peripherals such as external storage devices, printers, and
external displays. Provides data transfer speeds up to 10 Gbps.
6 USB 3.1 port
Connect peripherals, such as storage devices and printers. Provides data
transfer speeds up to 10 Gbps.
Side L/R surround port
7
Connect the side-left and side-right speakers or surround sound speakers.
8

Microphone port

Connect an external microphone to provide sound input.
9 Front L/R surround line-out port
Connect audio-output devices such as speakers and amplifiers. In a 5.1
speaker channel setup, connect the front-left and front-right speakers.
Line-in port
10
Connect recording or playback devices such as a microphone or CD player.
11 Center/subwoofer LFE surround port
Connect the subwoofer.
NOTE: For more information about the speaker setup, refer the
documentation that shipped with the speakers.
12 Rear L/R surround port
Connect audio-output devices such as speakers and amplifiers. In a 5.1
speaker channel setup, connect the rear-left and rear-right speakers.
13 USB 3.0 ports (3)
Connect peripherals such as storage devices and printers. Provides data
transfer speeds up to 5 Gbps.

Network port

14
Connect an Ethernet (RJ45) cable from a router or a broadband modem for
network or internet access.
The two lights next to the connector indicate the connectivity status and
network activity.
Coaxial S/PDIF port
15
Connect an amplifier, speakers, or a TV for digital audio output through
coaxial cables.
13