Dell Vostro 3070 Setup And Speci?Cations page 9

1. Line-in port
3. Microphone port
5. VGA port
7. USB 2.0 ports (4)
9. Power supply diagnostics light
11. Padlock ring
13. Network port
2. Line-out port
4. HDMI port
6. Service tag label
8. Power supply diagnostics button
10. Power connector port
12. Kensington security slot
Chassis 9