PCI Express (PCIe) is a high-speed serial computer expansion bus standard that connects CPUs and chipsets to peripherals such as GPUs, storage controllers, and network adapters on motherboards and backplanes. Expanded Explanation 1. Technical Function and Core Characteristics PCIe is a point-to-point, packet-switched interconnect defined and maintained by the PCI-SIG standards body. It replaces earlier shared parallel bus standards and provides dedicated unidirectional links called lanes

How widely is PCI Express used?

37 organizations in our directory are tagged PCI Express, referenced across 31 articles.

What is PCI Express most closely associated with?

PCI Express is most closely associated with AI infrastructure and Data Center.

PCI Express (PCIe)

Last updated August 24, 2026

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What we add

Graph

A glossary entry defines a term and stops there. It doesn't show where the term is actually being used or written about. We track and link every article that covers it.

NewsArticle GIGABYTE launches X870E AORUS XTREME X3D AI TOP NewsArticle Astera Labs broadens Scorpio X-Series roadmap NewsArticle ADLINK Technology Inc. introduced Express-PTL COM modules and 9 more on this page

Counted facts

A dictionary definition doesn't say how often a term is actually used. This counts it across the graph -- articles that mention it, open source projects tagged with it, and the organizations tagged with it, listed here alongside the count. A term has no peer companies, and nothing here claims otherwise.

Articles mentioning this entity 31 Organizations tagged 37 Organizations Alphawave Semi, AMD, AMI, ASRock Rack, Astera Labs, ASUS, Avant Technology, Broadcom, Celestica, FADU, Fibocom, GIGABYTE, Intel Corporation, Interface Masters Technologies, KIOXIA America, Lattice Semiconductor, Liqid Inc, LuxshareTech, Marvell Technology, Micro-Star International Related terms Related terms (co-occurring topics)

The person who sent this agent gets an answer they can act on

Somebody dispatched this agent to evaluate PCI Express for a real decision: a shortlist, a vendor comparison, a purchase. "PCI Express makes X" isn't something they can act on; they need to know the claim is real and where it came from. Follow one enriched link from Act 2 and see what the agent can actually hand back to them:

The record DefinedTerm PCI Express
One of its 12 linked records NewsArticle GIGABYTE launches X870E AORUS XTREME X3D AI TOP https://decisioninsights.ai/gigabyte-launches-x870e-aorus-xtreme-x3d-ai-top/
The primary source CreativeWork prnewswire.co.uk https://www.prnewswire.co.uk/news-releases/built-to-unleash-amd-ryzen-x3d-processors-gigabyte-ai-powered-x870e-aorus-xtreme-x3d-ai-top-motherboard-now-available-302671996.html

Our summary is written by Decision Insights Record. The source keeps its own byline. Both are in the JSON.