1

Power button/ Power light

7

Drive activity light

2

SD card slot

3

USB 3.0 ports

4

USB 3.0 Type-C port with PowerShare

10

USB 3.0 Type-C port

5

Headset port

6

Drive access release latch

12

Expansion card slots

8

5.25 inch bay(optional)

9

Optical drive

13

Power cable connector

14

USB 3.0 ports

11

Drive carriers

15

Discrete graphics card slot(optional)

16

Security cable slot

17

Padlock ring

18

Line-out port

19

Microphone/Line-in port

20

Serial port

21

PS/2 Mouse port

22

PS/2 Keyboard port

23

Network port (managed optionally)

24

Network port

25

USB 3.0 port (supports smart Power-On)

26

Expansion card slots