V2EX pcie

PCIe

定义 Definition

PCIePeripheral Component Interconnect Express 的缩写,中文常译为外设组件互连快速通道或直接称PCIe。它是一种高速串行计算机总线标准,用于连接显卡、固态硬盘(NVMe)、网卡等硬件与主板/CPU,实现高带宽、低延迟的数据传输。(也常见不同代际如 PCIe 3.0/4.0/5.0,以及不同通道数如 x1/x4/x8/x16。)

发音 Pronunciation (IPA)

/pi si a/

例句 Examples

A PCIe SSD can make your computer boot much faster.
PCIe 固态硬盘可以让你的电脑开机快很多。

The workstation uses a PCIe x16 slot for the graphics card and a PCIe x4 link for the NVMe drive, so bandwidth is allocated according to each device’s needs.
这台工作站用 PCIe x16 插槽连接显卡,用 PCIe x4 通道连接 NVMe 硬盘,因此带宽会根据不同设备需求进行分配。

词源 Etymology

PCIe 来自 Peripheral Component Interconnect Express:其中 PCI 原指早期的并行总线标准 Peripheral Component Interconnect(外设组件互连),而 Express 表示“更快/高速版本”。PCIe 用串行点对点链路取代传统并行共享总线,从而显著提升速度与扩展性。

相关词 Related Words

文献与作品 Literary & Notable Works

  • PCI Express Base Specification(PCI-SIG 发布的标准规范文档,系统阐述 PCIe 的链路、协议与电气要求)
  • Computer Organization and Design(Patterson & Hennessy,常在 I/O 与系统互连章节讨论 PCIe 等现代总线)
  • Modern Operating Systems(Andrew S. Tanenbaum,涉及设备与 I/O 架构时常提及 PCI/PCIe 等硬件接口)
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