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  1. PCI Express - Wikipedia

    PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe, [2] is a high-speed standard used to connect hardware components inside computers. It is designed …

  2. What Is PCIe? A Basic Definition - Tom's Hardware

    May 13, 2022 · PCIe (peripheral component interconnect express) is an interface standard for connecting high-speed components. Every desktop PC motherboard has a number of PCIe …

  3. What is PCI Express (PCIe)? – How it Works? | Synopsys

    PCI Express (PCIe) operates as a serial connection, akin to a network rather than a traditional bus. Instead of a single bus managing data from various sources, PCIe employs a switch …

  4. What is PCI Express (PCIe)? - Everything You Need To Know

    Jul 15, 2024 · Perhaps the simplest PCIe definition is that PCIe, or PCI Express, is a high-bandwidth expansion standard for PCs. The original PCI Express 1.0 standard debuted as a …

  5. Understanding PCIe: Versions, Lanes, and Slot Types Explained

    Jul 30, 2025 · PCIe (Peripheral Component Interconnect Express) is a high-speed interface standard used in modern computers to connect internal components to the motherboard. It …

  6. How PCI Express Works | HowStuffWorks

    Mar 5, 2024 · PCI Express is a high-speed serial connection that operates more like a network than a bus. Learn how PCI Express can speed up a computer and replace the AGP and view …

  7. What Are PCIe 4.0 and 5.0? - Intel

    What Are PCIe 4.0 and 5.0? Newer PCIe standards mean a higher-bandwidth connection to GPUs, SSDs, and other peripherals. All generations of PCIe are backwards compatible, so …

  8. What Is PCI Express (PCIe)? Definition, Versions, and Applications

    Sep 18, 2025 · Learn what PCI Express (PCIe) is, how it works, and why it matters. Explore PCIe versions, bandwidth speeds, and its role in GPUs, SSDs, and data centers.

  9. What is PCIe? - CORSAIR

    P eripheral C omponent I nterconnect E xpress (PCIe) is a standardized interconnect for components and peripherals for today’s computers.

  10. PCI-Express: What Is PCIe? - TechReviewer

    Aug 19, 2025 · PCI-Express (PCIe) is an electrical bus used in nearly all modern consumer and server PCs. PCIe slots on desktop PCs allow for connecting various expansion boards, …