Expansion Bus
Bus throughput
PCI Express x16
Generation 2
Connector
Connector size
Connector data
width (maximum)
Bus throughput
PCI Express x16
Generation 1
Connector
Connector size
Connector data
width (maximum)
Bus throughput
Dell XPS 730
x1 slot bidirectional speed —
2.5 Gbps
two x16
164 pins
16 PCI Express lanes
x16 slot bidirectional speed —
80 Gbps
one x16
164 pins
16 PCI Express lanes
x16 slot bidirectional speed —
40 Gbps
Dell XPS 730X
x1 slot bidirectional speed —
2.5 Gbps
three x16
164 pins
16 PCI Express lanes
x16 slot bidirectional speed
— 80 Gbps
N/A
Appendix
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