1.
Array microphones
2.
Infrared emitters
3.
Infrared camera
4.
Camera
5.
Camera status light
6.
Power button
7.
USB 3.0 port with PowerShare
8.
Display Built-in Self Test button
9.
Service Tag label
10.
Speakers
11.
Headset port
12.
SD card slot
13.
Thunderbolt 3 (USB Type-C) ports
14.
Network port
15.
Power supply diagnostic button
16.
Power supply diagnostic light
17.
DisplayPort
18.
USB 3.0 ports
19.
HDMI port
20. Line-out port
21.
Power connector port
22. Stand
23. Kensington cable slot
24. Cable route slot