Dell OptiPlex 7020 (Mid 2014) - Manual (Page 55)

Feature Specification
Small Form Factor one slim-optical drive bay
Internally Accessible 3.5-inch SATA drive bays 2.5-inch SATA drive bays
Mini-Tower two two
Small Form Factor one two
Table 24. External Connectors
Feature Specification
Audio:
Front Panel • one microphone connector
• one headphone connector
Back Panel • one line-out connector
• one line-in/microphone connector
Network Adapter one RJ45 connector
Serial one 9-pin connector; 16550 C compatible
Parallel one 25-pin connector (optional for minitower and small
form factor)
USB 2.0:
Mini-Tower, Small Form Factor • Front Panel: two
• Back Panel: four
USB 3.0: • Front Panel: two
• Back Panel: two
Video • 15-pin VGA connector
• two 20-pin DisplayPort connectors
NOTE: Available video connectors may vary based
on the graphics card selected.
Table 25. Internal Connectors
Feature Specification
PCI 2.3 data width (maximum) — 32 bits
Mini-Tower one 120-pin connector
Small Form Factor none
PCI Express x1 data width (maximum) — one PCI Express lane
Mini-Tower one 36-pin connector
Small Form Factor none
PCI Express x16 (wired as x4) data width (maximum) — four PCI Express lanes
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