Dell OptiPlex 390 - Mini-Tower and Desktop - Back Panel; Back Panel View of Mini-Tower and Desktop

Mini-Tower And Desktop — Back Panel
Figure 3. Back Panel View of Mini-Tower And Desktop
1. link integrity light
2. network connector
3. network activity light
4. line-in connector
5. line-out connector
6. USB 2.0 connectors (6)
7. HDMI connector
8. VGA connector
9. microphone connector
3