Dell XPS 720 Personal Computer User Manual


 
162 Appendix
Audio
Type HDA 7.1 channel
Expansion Bus
Bus type PCI Express x1 and x16
PCI 32-bit
PCI (SLOT3, SLOT5, SLOT6)
Connector
three
Connector size
124 pins
Connector data width (maximum)
32 bits
Bus speed
33 MHz
PCI Express (SLOT1)
NOTE: If a graphics card is installed in each of the PCI Express x16
card slots in the dual-graphics configuration, the PCI Express x1 card
slot is not accessible for use.
Connector
one x1
Connector size
36 pins
Connector data width (maximum)
1 PCI Express lane
Bus throughput
x1 slot bidirectional speed — 2.5 Gbps
PCI Express (SLOT7)
Connector
one x16
Connector size
164 pins
Connector data width (maximum)
8 PCI Express lanes
Bus throughput
x16 slot bidirectional speed — 20 Gbps
PCI Express (SLOT2, SLOT4)
Connector
two x16
Connector size
164 pins
Connector data width (maximum)
16 PCI Express lanes
Bus throughput
x16 slot bidirectional speed — 40 Gbps