PCIe slot description
Item Description Definition
1 PCI Express version
Each PCIe version corresponds to a specific data
transfer rate between the processor and peripheral
devices. Generally, a version update corresponds to an
increase in transfer rate.
• PCIe 1.x
• PCIe 2.x
• PCIe 3.x
The PCIe technology is under constant development.
For the latest information, see the PCI-SIG website.
2 Physical connector link width PCIe devices communicate through a logical
connection called an interconnect or link. At the
physical level, a link is composed of one or more lanes.
The number of lanes is written with an "×" prefix with
×16 being the largest size in common use.
• ×1
• ×2
• ×4
• ×8
• ×16
3 Negotiable link width These numbers correspond to the maximum link
bandwidth supported by the slot.
88 PCIe slot description
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