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Amazon EC2 C8gn, M8gn, and R8gn instances now support higher Amazon EBS-optimized performance

Published
April 14, 2026
https://aws.amazon.com/about-aws/whats-new/2026/04/ec2-c8gn-m8gn-r8gn-ebs/

AWS EBS Performance Enhancements

AWS has increased Amazon Elastic Block Store (EBS) performance for EC2 C8gn, M8gn, and R8gn instances in 48xlarge and metal-48xl sizes. These network-optimized instances, powered by AWS Graviton4 processors and the latest 6th generation AWS Nitro Cards, now offer:

  • EBS Bandwidth: Doubled from 60 Gbps to 120 Gbps
  • EBS IOPS: Doubled from 240,000 IOPS to 480,000 IOPS

Customers running network-intensive workloads can benefit from this improved EBS performance, particularly for data analytics and high-performance file systems.

What to do

  • Stop and start your instances to enable the new performance levels
  • New and existing instances in 48xlarge and metal-48xl sizes will benefit from this enhancement at no additional cost

Source: AWS release notes




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