V2EX ddr4

DDR4

定义 Definition

DDR4 是一种计算机内存(RAM)标准,全称 Double Data Rate 4 SDRAM(第四代“双倍数据速率”同步动态随机存取存储器)。它常用于台式机、笔记本、服务器等,用来临时存放正在运行的程序与数据;相较 DDR3,通常具备更高带宽与更低工作电压。

发音 Pronunciation (IPA)

/di di r fr/

例句 Examples

My laptop has 16 GB of DDR4 memory.
我的笔记本电脑有 16GB 的 DDR4 内存。

Because the server handles many concurrent requests, we upgraded to DDR4 to improve memory bandwidth and overall responsiveness.
由于服务器要处理大量并发请求,我们升级到 DDR4,以提升内存带宽和整体响应速度。

词源 Etymology

DDR 源自 Double Data Rate(双倍数据速率),指内存可在时钟信号的上升沿与下降沿都传输数据,从而提高传输效率;4 表示该技术与标准的第四代。DDR4 作为行业标准由 JEDEC(固态技术协会)制定并推广。

相关词 Related Words

文献与作品 Literary / Notable Works

  • JEDEC Standard No. 79-4: DDR4 SDRAM(DDR4 官方标准文档)
  • Bruce Jacob, Spencer Ng, David Wang, Memory Systems: Cache, DRAM, Disk(内存系统经典教材,讨论 DRAM/DDR 体系与性能指标)
  • Ulrich Drepper, What Every Programmer Should Know About Memory(常见于工程实践引用,涉及内存层级与性能概念,语境中常会提到 DDR 系列)
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