System board
layout
![Figure displaying the system board callouts.](https://dl.dell.com/content/guides/public/Html/optiplex-3050-desktop-sff-om/images/GUID-152966B0-0297-48A1-8AB1-AF363A846736-low.jpg)
- PCI-e x16 connector (slot 2)
- PCI-e x1 Connector (slot 1)
- VGA daughter board connector
- Processor connector (CPU)
- CPU power connector (ATX_CPU)
- Intrusion switch connector
- CPU fan connector
- Memory module connectors
- M.2 Slot 3 connector
- Power switch connector
- SD Media card reader connector
- SATA 0 connector
- ATX power connector
- HDD and ODD power cable connector
- Service mode jumper
- Clear password jumper
- Clear CMOS jumper
- Speaker connector
- SATA 1 connector
- Coin cell battery
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