*
1. Optical drive eject button
*
2. Optical drive activity indicator
3. Power button
4. Power indicator
*
5. SD-card reader slot
6. Microphone connector
7. Headphone connector
8. USB 3.1 connectors Gen 2 (2)
9. USB 3.1 connectors Gen 1 (2)
10. ThinkCentre® LED
*
11. Internal speaker
12. Audio line-in connector
13. Audio line-out connector
14. Microphone connector
15. Serial connector
16. VGA-out connector
17. DisplayPort® 1.2 out connectors
(2)
18. USB 3.1 connectors Gen 1 (2)
19. USB 2.0 connectors (2)
20. PS/2 keyboard connector
21. PS/2 mouse connector
22. PCI-Express card area
*
23. Smart cable clip slots (2)
24. Security-lock slot
25. Padlock loop
26. Ethernet connector
27. Power cord connector
*
For selected models
Read the statement on USB transfer rate in the
User Guide
. Refer to the
Safety and
Warranty Guide
for accessing the
User Guide.