Dell XPS 400 Owner's Manual - Page 110

Expansion Bus, PCI Express:100 MHz, PCI Express

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Expansion Bus Bus type Bus speed Bus throughput PCI 32 bit PCI Express x1, x4, and x16 PCI: 33 MHz PCI Express:100 MHz PCI Express: x1 slot bidirectional speed - 500 MB/s x4 slot bidirectional speed - 2 GB/s x16 slot bidirectional speed - 8 GB/s PCI connectors three connector size 120 pins connector data width (maximum) 32 bits PCI Express connector one x1 connector size 36 pins connector data width (maximum) 1 PCI Express lane PCI Express connector one x4 connector size 98 pins connector data width (maximum) 4 PCI Express lanes PCI Express connector one x16 connector size 164 pins connector data width (maximum) 16 PCI Express lanes 110 Appendix

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110
Appendix
Expansion Bus
Bus type
PCI 32 bit
PCI Express x1, x4, and x16
Bus speed
PCI: 33 MHz
PCI Express:100 MHz
Bus throughput
PCI Express:
x1 slot bidirectional speed - 500 MB/s
x4 slot bidirectional speed - 2 GB/s
x16 slot bidirectional speed - 8 GB/s
PCI
connectors
three
connector size
120 pins
connector data width (maximum)
32 bits
PCI Express
connector
one x1
connector size
36 pins
connector data width (maximum)
1 PCI Express lane
PCI Express
connector
one x4
connector size
98 pins
connector data width (maximum)
4 PCI Express lanes
PCI Express
connector
one x16
connector size
164 pins
connector data width (maximum)
16 PCI Express lanes