AWS GovCloud Launches High-Performance Storage Optimized I8g Instances

AWS released I8g instances with advanced Nitro SSDs and Graviton4 processors in GovCloud regions to accelerate storage-intensive workloads with lower latency.

By Sofia Reed · Editorial pseudonym · 2026-07-09 · 1 min read

AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE

Retrospective edition: 2026-07-09. Source published: 2026-07-09. Added to this archive: 2026-11-03. This briefing was prepared later from the linked announcement; it was not published on this website on the historical edition date.

The I8g instances in AWS GovCloud US regions deliver up to 60% higher compute performance over previous I4g models, powered by the Graviton4 architecture and featuring third-generation AWS Nitro SSD local storage. These SSDs achieve 65% improved per-TB storage performance and significantly reduced I/O latency and variability.

Designed for I/O intensive use cases like real-time databases and analytics platforms, I8g instances support up to 48xlarge sizes, 1.5 TiB memory, and 45 TB local storage. Networking capabilities include up to 100 Gbps network bandwidth and 60 Gbps dedicated EBS bandwidth, enabling demanding high-throughput applications.

Source & further reading

Amazon EC2 I8g instances now available in AWS GovCloud (US) regions ↗

Source published 2026-07-09. 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.