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Announcing new memory optimized Amazon EC2 X8aedz instances

Published
December 2, 2025
https://aws.amazon.com/about-aws/whats-new/2025/12/new-memory-optimized-amazon-ec2-x8aedz-instances

Amazon EC2 X8aedz Instances

AWS introduces next-generation memory-optimized instances, X8aedz, powered by 5th Gen AMD EPYC processors. These instances offer up to 2x higher compute performance compared to previous generation X2iezn instances.

Key Features

  • CPU Frequency: Up to 5GHz
  • Memory to vCPU Ratio: 32:1
  • vCPUs: 8 sizes ranging from 2 to 96 vCPUs
  • Memory: 64 to 3,072 GiB
  • Local NVMe SSD Storage: Up to 8 TB

Use Cases

Ideal for electronic design automation (EDA) workloads, physical layout, physical verification jobs, and relational databases requiring high single-threaded processor performance and large memory footprint.

Regions Available

US West (Oregon) and Asia Pacific (Tokyo)

Purchasing Options

Available via Savings Plans, On-Demand instances, and Spot instances.

What to do

Source: AWS release notes




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