Announcing new memory-optimized Amazon EC2 X8aedz Instances

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

Amazon EC2 X8aedz Instances

AWS introduces Amazon EC2 X8aedz, next-generation memory-optimized instances powered by 5th Gen AMD EPYC processors. These instances offer the highest CPU frequency in the cloud, up to 5GHz, delivering up to 2x higher compute performance and 31% better price-performance compared to previous generation X2iezn instances.

Built with the latest sixth-generation AWS Nitro Cards, X8aedz instances are ideal for EDA workloads and relational databases requiring high single-threaded processor performance and large memory footprints.

Key Features

  • Processor: 5th Gen AMD EPYC processors
  • 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
  • Regions: US West (Oregon) and Asia Pacific (Tokyo)
  • Purchasing Options: Savings Plans, On-Demand, and Spot instances

What to do

  • Sign in to the AWS Management Console
  • Visit the Amazon EC2 X8aedz instance page
  • Read the AWS news blog

Source: AWS release notes




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