Table 27. Drives
Feature Specification
Externally accessible (5.25-inch drive bay)
Mini Tower Two
Small Form Factor One slim optical drive bay
Internally accessible 3.5-inch SATA drive 
bays
2.5-inch SATA drive 
bays
PCIe drive bay
Mini Tower Two Four One
Small Form Factor One Two One
Table 28. External connectors
Feature Specification
Audio
Front panel One universal audio jack with microphone in and 
headphone connector
Back panel One line-out connector
Network adapter One RJ-45 connector
Serial One 9-pin connector; 16550 C compatible
USB 2.0 Front panel: two
Back panel: two
USB 3.0 Front panel: two
Back panel: four
HDMI out One
Video
• 15-pin VGA connector
• two 20-pin DisplayPort connectors
NOTE: Available video connectors may vary based 
on the graphics card selected.
Table 29. Internal connectors
Feature Specification
PCI 2.3 data width (maximum) - 32 bits
Mini Tower One 120-pin connector
Small Form Factor None
PCI Express x4 data width (maximum) - four PCI Express lane
Mini Tower One 64–pin connector
Small Form Factor One 64–pin connector
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