Dell OptiPlex 780 Ultra Small Form Factor Service Manual page 6

Drives
Externally accessible
slimline drive bays
Internally accessible
2.5-inch drive bays
External Connectors
Audio
back panel
front panel
Network
Serial
USB
front panel
back panel
eSATA
Video
System Board Connectors
Serial ATA
Memory
Internal USB device
Processor fan
System fan
Front panel control
Front panel audio
Processor
Power 12 V
Power
Power
Wattage
Maximum heat dissipation (MHD)
Voltage
Coin-cell battery
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
NOTE: See the safety information that shipped with your computer for important
voltage setting information
Physical
one bay for SATA DVD-ROM / DVD+/–
RW
one
two connectors: line-out (headphone)
and line-in (microphone)
two connectors: line-out (headphone)
and line-in (microphone)
one RJ45 connector
one 9-pin connector; 16550C compatible
two
five
one
15-pin VGA connector
20-pin DisplayPort™ connector
NOTE:
Available video connectors may
vary based on the graphics card
selected.
two 7-pin connectors
four 240-pin connectors
one 10-pin connector (supports two USB
ports)
one 4-pin connector
one 3-pin connector
one 9-pin connector
one 10-pin connector
one socket N
one 4-pin connector
one 24-pin connector
180 W
750 BTU/hr
90–264 VAC, 47–63 Hz, 2.6 A
3 V CR2032 lithium coin cell