Dell Alienware Area-51 Specifications page 5

Top Panel Connectors
IEEE 1394 one 6-pin serial connector
USB three 4-pin USB 2.0-compliant connectors
eSATA one 4-pin eSATA connector
Audio stereo headphone and microphone connectors
Communications
Network adapter 10/100/1000 Mbps Ethernet LAN on system board
Wireless Bluetooth
WiFi (optional)
Video
Type three PCI Express x16 connectors for full-length
add-in graphics card(s)
Audio
Type integrated 7.1 channel, High Definition Audio with
S/PDIF support, Realtek ALC888 codec
wireless technology
®
Expansion Bus
PCI
Connectors
Connector size
PCI Express x1
Connectors
Connector size
PCI Express x16
Connectors
Connector size
PCI Express x16 lane information
Connectors used
PCI_E1 and PCI_E3
PCI_E1, PCI_E3, and PCI_E5
NOTE: For the location of the PCI Express x16 connectors, see the
Service Manual at support.dell.com/manuals.
COMPREHENSIVE SPECIFICATIONS
one
124-pin connector
two
36-pin connector
three
164-pin connector
Number of lanes
PCI_E1 PCI_E3 PCI_E5
16 16 4
16 8 8
05
/
05