Dell OptiPlex 7040 - Mini Tower - Page 50

Table 28. External connectors
Feature Specification
Audio:
Front panel Universal Audio Jack
Back panel Line out connector
Network adapter RJ45 connector
Serial 9-pin connector; 16550 C compatible
Parallel 25-pin connector (optional)
USB 2.0
• Front panel: two
• Back panel: two
USB 3.0
• Front panel: two
• Back panel: four
Video
• 19-pin HDMI connector
• Two 20-pin DisplayPort connectors (one of the
DisplayPort connectors is optional).
• 15-pin VGA connector (optional)
NOTE: Available video connectors may vary based
on the graphics card selected.
Keyboard and mouse Back panel:
• PS2 Keyboard 6-pin connector
• PS2 Mouse 6-pin connector
Table 29. Internal connectors
Feature Specification
PCI 2.3 data width (maximum) — 32 bits 120-pin connector
PCI Express x1 data width (maximum) — one
PCI Express lane
36-pin connector
PCI Express x16 (wired as x4) data width
(maximum) — four PCI Express lanes
164-pin connector
PCI Express x16 data width (maximum) — 16
PCI Express lanes
164-pin connector
Serial ATA Four 7-pin connectors
Memory Four 288-pin connectors
Internal USB 10-pin connector
System fan 4-pin connector
SSD M.2 22x80 socket3
Front panel control 5-pin connector
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