Dell OptiPlex 390 (Mid 2011) User Manual
Page 85
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Cards
Small Form Factor
up to one low-profile cards
PCI-Express x16
Mini-Tower
up to one full-height cards
Desktop
up to one low-profile cards
Small Form Factor
up to one low-profile cards
Drives
Externally Accessible (5.25–inch drive bays)
Mini-Tower
two
Desktop
one
Small Form Factor
one slim optical drive bay
Internally Accessible:
3.5–inch SATA drive bays
Mini-Tower
two
Desktop
one
Small Form Factor
one
External Connectors
Audio:
Back Panel
Mini-Tower/Desktop
three connectors once each for
line-out, line-in, and microphone
Small Form Factor
two connectors for line-out and
line-in/microphone
Front Panel
two connectors for microphone
and headphone
Network Adapter
one RJ45 connector
USB 2.0
Front Panel: 2
85
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