Dell Vostro 410 Setup And Quick Reference Manual page 28

Connectors
Audio
System board connectors:
Serial ATA
Internal USB device
Floppy drive
Processor fan
Chassis fan
PCI 2.3
PCI Express x1
PCI Express x16
Front panel control
Front panel USB
Front panel audio HDA
header
Processor
Memory
Power 12V
Power
28
Specifications
one front-panel microphone connector
one front-panel headphone connector
six rear-panel connectors for 7.1 support
six 7-pin connectors
two 9-pin connector (supports four USB ports)
one 34-pin connector
one 4-pin connector
one 3-pin connector
three 124-pin connectors
two 36-pin connector
one 164-pin connector
one 9-pin connector
two 9-pin connectors
one 9-pin connector
one 775-pin connector
four 240-pin connectors
one 4-pin connector
one 24-pin connector