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.
PCIe slot description 17
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