Dell Vostro 3250 Owner's Manual page 25

16. Network connector
17. USB 2.0 connector
18. USB2 3.0 connector
19. HDMI connector
20. Line-in, line-out and microphone connectors
21. Processor socket
22. CPU fan connector
23. PSU connector
24. Memory slot
25. NGFF cslot
26. power-switch connector
27. Coin-cell battery connector
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