Dell OptiPlex 3010 (Mid 2012) - Manual (Page 4)

Small Form Factor — Front And Back View
Figure 4. Front And Back View Of Small Form Factor
1. optical drive
2. optical-drive eject button
3. power button
4. USB 2.0 connectors (2)
5. microphone connector
6. headphone connector
7. diagnostic lights (4)
8. hard-drive activity light 9. padlock ring
10. security cable slot
11. power cable connector
12. power-supply diagnostic button
13. power-supply diagnostic light
14. back panel connectors
15. expansion card slots (2)
4