---
格式版本: 2
标题: "Amazon EC2 R8a instances are now available in Asia Pacific (Taipei) region"
原文链接: "https://aws.amazon.com/cn/about-aws/whats-new/2026/08/amazon-ec2-r8a-asia-pacific-taipei/"
发布日期: "2026-08-19"
发布时间校准状态: "found"
发布时间需复核: "否"
发布时间来源: "llm:local:original_script_field"
发布时间证据: "postDateTime: 2026-08-19T07:51:00Z"
发布时间校准原因: "该日期来自原脚本字段 postDateTime，明确表示文章发布时间，且与标题发布的新闻时间一致。"
发布时间校准置信度: "1"
发布时间候选数量: 1
发布时间严格候选数量: 0
发布时间原页读取状态: "source template page reused from URL open"
发布时间未找到原因: ""
发布时间校准时间: "2026-08-20T10:38:55+08:00"
发布时间仲裁状态: "confirmed"
发布时间仲裁尝试次数: 1
发布时间仲裁耗时毫秒: 9485
发现时间: "2026-08-20T10:31:30+08:00"
入库时间: "2026-08-20T02:39:07.668Z"
来源平台: "固定入口"
搜索渠道: "fixed_url"
搜索词: "https://aws.amazon.com/new"
匹配关键词:
  - "performance"
  - "latency"
  - "bandwidth"
  - "throughput"
相关厂家:
  - "AWS"
  - "AMD"
相关专家:
  []
内容类型: "网页"
抓取工具: "Free Fetch + Defuddle"
清洗工具: "Defuddle Markdown + Defuddle/Readability 正文提取"
原始附件:
  []
AI优质: "否"
AI打分: 28
AI分档: "非优质"
AI质检状态: "不通过"
AI打分理由: "内容为通用云CPU实例的可用区扩展，仅涉及AMD EPYC处理器性能与内存带宽，未涉及超节点、AI Rack、GPU互连、液冷或机柜级AI基础设施，与项目主题无关。"
AI质检模型: "ali-deepseek-v4-flash"
AI质检时间: "2026-08-20T10:41:58+08:00"
AI主题相关性: 4
AI来源权威性: 15
AI新颖性: 4
AI技术细节: 4
AI商业部署信号: 1
AI完整性: 0
AI摘要: "Amazon EC2 R8a 实例现已在亚太（台北）区域上线，搭载第五代 AMD EPYC 处理器，相比 R7a 实例性能提升最高 30%，内存带宽提升 45%，适用于数据库、内存缓存等内存密集型工作负载。"
AI摘要模型: "ali-deepseek-v4-flash"
AI摘要时间: "2026-09-07T03:16:55.780Z"
采集批次: "2026年8月20日10点15分53秒"
采集批次ID: "20260820-101553-437"
去重键: "https://aws.amazon.com/cn/about-aws/whats-new/2026/08/amazon-ec2-r8a-asia-pacific-taipei"
---

Starting today, Amazon EC2 R8a instances are now available in Asia Pacific (Taipei) Region. These instances, feature 5th Gen AMD EPYC processors (formerly code named Turin) with a maximum frequency of 4.5 GHz, deliver up to 30% higher performance, and up to 19% better price-performance compared to R7a instances.

R8a instances deliver 45% more memory bandwidth compared to R7a instances, making these instances ideal for latency sensitive workloads. Compared to Amazon EC2 R7a instances, R8a instances provide up to 60% faster performance for GroovyJVM, allowing higher request throughput and better response times for business-critical applications.

Built on the [AWS Nitro System](https://aws.amazon.com/ec2/nitro/) using sixth generation Nitro Cards, R8a instances are ideal for high performance, memory-intensive workloads, such as SQL and NoSQL databases, distributed web scale in-memory caches, in-memory databases, real-time big data analytics, and Electronic Design Automation (EDA) applications. R8a instances offer 12 sizes including 2 bare metal sizes. Amazon EC2 R8a instances are SAP-certified, and providing 38% more SAPS compared to R7a instances.

To get started, sign in to the [AWS Management Console](https://us-east-1.console.aws.amazon.com/ec2/home?region=us-east-1#LaunchInstances:instanceType=r8a.large). For more information about the new instances, visit the Amazon EC2 [R8a instance page](https://aws.amazon.com/ec2/instance-types/r8a).