AWS Graviton2 based T4g instances are now available in AWS GovCloud (US-West) Region

Starting today, Amazon EC2 T4g instances are available in the AWS GovCloud (US-West) Region. T4g instances are powered by Arm-based AWS Graviton2 processors and deliver up to 40% better price performance over T3 instances. These instances provide a baseline level of CPU performance with the ability to burst CPU usage at  any time for as long as required. They offer a balance of compute, memory, and network resources for a broad spectrum of general purpose workloads, including large scale micro-services, caching servers, search engine indexing, e-commerce platforms, small and medium databases, virtual desktops, and business-critical  applications.

Source:: Amazon AWS