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PCI Express: History, Applications, Standards & Measurement

PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe, is a high-speed standard used to connect hardware components inside computers. It is designed to replace older expansion bus standards such as PCI, PCI-X and AGP. Developed and maintained by the PCI-SIG (PCI Special Interest Group), PCIe is commonly used to connect…

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PCI Express topic overview

The analysis highlights History, Applications, Standards and Measurement as prominent areas in the source structure around PCI Express.

Related topics
203
Source areas
8
Connected nodes
212
Extracted relationships
363
Concept neighborhoods
40
Bridge connections
212

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 56 topics
History and revisions · 36 topics
Architecture · 33 topics
Form factors · 27 topics
Applications · 18 topics
Competing protocols · 15 topics
Hardware protocol summary · 12 topics
Extensions and future directions · 6 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Created by
Intel · Dell · HP · IBM
External interface
Optional (supported with OCuLink or other forms of PCI Express External Cabling, tunneled over USB4 and Thunderbolt)
Hotplugging interface
Optional (supported with ExpressCard, OCuLink, CFexpress or U.2)
No. of devices
1 on each endpoint of each connection[a]
Speed
Dual simplex, up to 242 GB/s
Style
Serial

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Architecture

Form factors

History and revisions

Extensions and future directions

Hardware protocol summary

Applications

Competing protocols

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How PCI Express connects Entity context

The extracted context around PCI Express shows recurring relationship patterns in the source. For example, PCI Express → AdvancedTCA, ATCA, CMC/PMC, CompactFlash Association, CompactPCI, FeaturePak, I/O, I/OUniversal IO, I2C, It, Low-height, M-PCIe, M-PHY, M-XIO, NGFF, Numerous, PC Card, PCI Express ExpressModule, PCI Express-based, PCIe Another extracted example is PCI Express → Adam, Addison-Wesley, Anderson, April, Brad, Budruk, Complete PCI Express Reference, Congdon, Design Implications, Don, Edward, Hardware, Intel, Introduction, ISBN, Joe, Joseph, Justin, Mind, PC. Use these groups to spot repeated connection types before inspecting the individual relationships.

PCI Express

Top relations

related to Derivative forms · 36
PCI Express → AdvancedTCA, ATCA, CMC/PMC, CompactFlash Association, CompactPCI, FeaturePak, I/O, I/OUniversal IO, I2C, It, Low-height, M-PCIe, M-PHY, M-XIO, NGFF, Numerous, PC Card, PCI Express ExpressModule, PCI Express-based, PCIe
related to Further reading · 32
PCI Express → Adam, Addison-Wesley, Anderson, April, Brad, Budruk, Complete PCI Express Reference, Congdon, Design Implications, Don, Edward, Hardware, Intel, Introduction, ISBN, Joe, Joseph, Justin, Mind, PC
related to Physical layer · 20
PCI Express → ASIC, At, Gbit/s, Intel, MAC, MAC/PCS, PCI Express PHY, PCIe, PCIe PHY, PCIEPHY, PCS, PHY, PHY Interface, PIPE, PMA, SerDes, The, The PCIe Physical Layer, The PIPE, Transmit
related to Serial bus · 20
PCI Express → As, Despite, DisplayPort, DVI, FireWire, HDMI, IEEE, In, PCB, RapidIO, SAS, SATA, Serial ATA, Serial Attached SCSI, Since, The, Timing, USB, VGA, When
related to PCI Express 4.0 · 15
PCI Express → At, Cadence, GB/s, GT/s, IP, November, OCuLink, OCuLink-2, On, PCI-SIG, PCI-SIG Developers Conference, PCIe, PLDA, Synopsys, Thunderbolt
related to Competing protocols · 14
PCI Express → By, Differences, For, GB/s, HyperTransport, InfiniBand, Intel QuickPath Interconnect, MIPI, Mobile Industry Processor Interface, NVLink, Other, PCI-X, PCIe, RapidIO
related to External GPUs · 14
PCI Express → An ExpressCard, ExpressCard, GB/s, Gbit/s, GPUs, In, Nvidia, PCIe, Plex, Quadro Plex, Theoretically, These, Thunderbolt, VHDCI
related to PCI Express 6.0 · 13
PCI Express → Bandwidth, February, FEC, GB/s, GT/s, June, NRZ, On, PAM-4, PCI-SIG, The, Unlike, With
related to PCI Express Mini Card · 13
PCI Express → Due, It, Mini PCI, Mini PCI Express, Mini PCI-E, Mini PCIe, Most, PCI Express Mini Card, PCI Express Mini Cards, PCI-SIG, PEM, The, USB
related to PCI Express External Cabling · 12
PCI Express → An, Cabled PCI Express, External PCI Express, February, MB/s, PCI Express External Cabling, PCI-SIG, PCIe, PCIe-to-ePCIe, Standard, The PCI-SIG, This

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

pcie pci express card data lanes specification cards link pci-sig bus also announced interface devices bandwidth serial power x16 rate

PCI Express relationships Subject–Predicate–Object triples

TTTA extracted 363 structured relationships around PCI Express. Examples in this analysis include PCI Express → Created by → Intel and PCI Express → Created by → Dell. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
PCI ExpressCreated byIntel1.00infobox
PCI ExpressCreated byDell1.00infobox
PCI ExpressCreated byHP1.00infobox
PCI ExpressCreated byIBM1.00infobox
PCI ExpressExternal interfaceOptional (supported with OCuLink or other forms of PCI Express External Cabling, tunneled over USB4 and Thunderbolt)1.00infobox
PCI ExpressHotplugging interfaceOptional (supported with ExpressCard, OCuLink, CFexpress or U.2)1.00infobox
PCI ExpressNo. of devices1 on each endpoint of each connection[a]1.00infobox
PCI ExpressSpeedDual simplex, up to 242 GB/s1.00infobox
PCI ExpressStyleSerial1.00infobox
PCI ExpressSupersedesPCI1.00infobox
PCI ExpressSupersedesPCI-X1.00infobox
PCI ExpressSupersedesAGP1.00infobox
PCI ExpressWebsitepcisig.com1.00infobox
PCI ExpressWidth in bits1 per lane, up to 16 lanes1.00infobox
PCI ExpressYear created2003; 23 years ago (2003)1.00infobox
PCI Expressis ametal enclosure0.90text
PCI Expressis alayered protocol0.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around PCI Express bring nearby vocabulary together. In this analysis, examples include Pci, Specification and Pci-sig. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • PCI Express
    • Pci
    • Specification
    • Pci-sig
    • Bus
    • Card
    • Cards
    • Announced
    • Devices
    • Link
    • Pcie
    • Interconnect
    • Use
  • pci express
    • Pci
    • Specification
    • Pci-sig
    • Bus
    • Cards
    • Card
    • Announced
    • Link
    • Devices
    • Also
    • Pcie
    • Use
  • expansion bus
    • Devices
    • Pci
    • Interconnect
    • Express
    • One
    • Serial
    • Protocol
    • Device
    • Link
    • Interface
    • Lanes
    • X1
  • pci
    • Specification
    • Pci-sig
    • Bus
    • Card
    • Cards
    • Announced
    • Devices
    • Link
    • Pcie
    • Use
    • Physical
    • Interface
  • graphics cards
    • Express
    • Pci
    • Use
    • Card
    • Also
    • Pcie
    • Standard
    • X16
    • Used
    • Slot
    • Support
    • Lanes
  • sound cards
    • Express
    • Pci
    • Use
    • Card
    • Also
    • Pcie
    • Standard
    • X16
    • Used
    • Slot
    • Support
    • Lanes
  • sata express
    • Pci
    • Specification
    • Pci-sig
    • Cards
    • Card
    • Link
    • Announced
    • Bus
    • Also
    • Pcie
    • Use
    • Devices
  • video cards
    • Express
    • Pci
    • Use
    • Card
    • Also
    • Pcie
    • Standard
    • X16
    • Used
    • Slot
    • Support
    • Lanes

Connections between topic areas Semantic bridges

For PCI Express, one of the stronger structural bridges in this analysis connects PCI Express with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
PCI ExpressOverview · splits 156 ⟂ 57
PCI ExpressHistory and revisions · splits 176 ⟂ 37
PCI ExpressArchitecture · splits 178 ⟂ 35
PCI ExpressForm factors · splits 185 ⟂ 28
PCI ExpressApplications · splits 194 ⟂ 19
PCI ExpressCompeting protocols · splits 197 ⟂ 16
PCI ExpressHardware protocol summary · splits 200 ⟂ 13
PCI ExpressExtensions and future directions · splits 206 ⟂ 7

Map overview Semantic statistics

PCI Express

Nodes213
Edges212
Triples363
Avg. degree1.99
Density0.00939
Components1

Source & methodology

TTTA analyzes the structure around PCI Express to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Applications, Standards & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — PCI Express · EN edition · Analysis: TopicsToTalkAbout

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