Dell OptiPlex 9020 Owner's Manual page 56

Feature
Video
Table 25. Internal Connectors
Feature
PCI 2.3 data width (maximum) — 32 bits
Mini-Tower
Small Form Factor, Ultra Small Form Factor
PCI Express x1 data width (maximum) — one PCI Express lane
Mini-Tower
Small Form Factor, Ultra Small Form Factor
PCI Express x16 (wired as x4) data width (maximum) — four PCI Express lanes
Mini-Tower
Small Form Factor
Ultra Small Form Factor
PCI Express x16 data width (maximum) — 16 PCI Express lanes
Mini-Tower, Small Form Factor
Ultra Small Form Factor
Mini PCI Express data width (maximum) — one PCI Express lane and one USB interface
Mini-Tower, Small Form Factor
Ultra Small Form Factor
Serial ATA:
Mini-Tower
Small Form Factor
Ultra Small Form Factor
Memory:
Mini-Tower, Small Form Factor
Ultra Small Form Factor
Internal USB:
Mini-Tower
Small Form Factor, Ultra Small Form Factor
56
Specification
• 15-pin VGA connector
• two 20-pin DisplayPort connectors
NOTE: Available video connectors may vary based on the
graphics card selected.
Specification
one 120-pin connector
none
one 36-pin connector
none
one 164-pin connector
one 64–pin connector
none
one 164-pin connector
none
none
one 52-pin connector
four 7-pin connectors
three 7-pin connectors
two 7-pin connectors
four 240-pin connectors
two 240-pin connectors
one 10-pin connector
none