Dell OptiPlex 9010 (Mid 2012) - Manual (Page 5)

Small Form Factor — Back Panel View
Figure 5. Back Panel View Of Small Form Factor
1. mouse connector
2. serial connector
3. link integrity light
4. network connector
5. network activity light
6. USB 2.0 connectors (2)
7. line-out connector 8. keyboard connector
9. VGA connector
10. DisplayPort connectors (2)
11. USB 2.0 connectors (2)
12. USB 3.0 connectors (2)
13. line-in/microphone connector
5