The new R9g and R9gd instances offer up to 25% better compute performance compared to previous generation powered by Graviton4, targeting memory-intensive applications such as databases, caching, big data analytics, and containerized environments. R9gd includes local NVMe SSD storage suited for workloads needing fast block storage access.
These instances incorporate the sixth generation AWS Nitro System and are the first to feature the Nitro Isolation Engine, which uses formal verification to mathematically assure workload isolation and enhanced cloud security. Availability spans multiple US and European AWS regions.
Source & further reading
Amazon EC2 R9g and R9gd memory optimized instances are now available ↗Source published 2026-08-31. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.