PCIe slot description


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.