Dell Inpsiron 560s (Late 2009) - Manual (Page 3)

External Connectors
Network adapter
one RJ45 connector
USB two front panel and four back-panel
USB 2.0-compliant connectors
Audio front panel — one headphone and one
microphone connector
back panel — six connectors for 7.1 channel
support
Video one 15-pin VGA connector and
one 19-pin HDMI connector
Communications
Wireless (optional)
PCI Express WiFi card supporting
802.11a/b/g/n
Modem (optional) PCI modem
Expansion Slots
PCI
Connectors one
Connector size 124-pin
Connector data width (maximum) 32 bit
Bus speed 33 MHz
PCI Express x1
Connectors two
Connector size 36-pin
Connector data width (maximum) 1 PCI Express lane
Bus speed 500 MB/s (bi-directional)