Dell OptiPlex 3040 - Page 27

21. USB 2.0 connector 22. USB 3.0 connector
23. SATA1 connector 24. SATA3 connector
25. Internal speaker connector 26. ATX power connector
27. Hard drive and optical drive power cable
connector
28. SATA0 connector
29. Internal USB connector 30. Coin cell battery
31. RTCRST/Password clear/MFG Jumper
27