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Amazon EC2 R9g and R9gd Memory-Optimized Instances Now Generally Available

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AWS has launched the R9g and R9gd EC2 instances, powered by the new Graviton5 processors, which offer improved price-performance for memory-intensive workloads. These instances provide up to 25% better compute performance compared to Graviton4 predecessors and are up to 30% faster for databases, 35% for web apps, and 35% for machine learning. R9gd variants include local NVMe-based SSD storage, while both leverage the Nitro Isolation Engine for enhanced security. The new instances are available in select US and EU regions and can be purchased via various pricing models.

  • New R9g and R9gd EC2 Instances Powered by Graviton5 Processors
  • Enhanced Performance and Security Features
Features (1)
  • New R9g and R9gd EC2 Instances Powered by Graviton5 Processors

    AWS has released R9g and R9gd EC2 instances, featuring custom-designed Graviton5 processors for memory-intensive workloads like databases, in-memory caches, and real-time analytics. These instances offer up to 25% better compute performance than Graviton4-based R8g instances, with specific speedups for databases, web applications, and machine learning. R9gd instances further provide local NVMe-based SSD block-level storage for optimized data access.

Enhancements (1)
  • Enhanced Performance and Security Features

    The R9g and R9gd instances boast 5x larger cache and the fastest memory available in the cloud, built on the sixth-generation AWS Nitro System. They are also the first to incorporate the Nitro Isolation Engine, which uses formal verification to ensure customer workload isolation and protection from AWS operators. These instances are now generally available in US East (N. Virginia, Ohio), US West (Oregon), and EU (Frankfurt) regions.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/08/amazon-ec2-r9g-and-r9gd-memory-optimized-instances-are-now-available/

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