https://aws.amazon.com/about-aws/whats-new/2022/10/amazon-ec2-high-memory-instances-3-6-9-12tib-memory-tokyo-region/
Amazon EC2 High Memory instances with 3, 6, 9, and 12TiB of memory are now available in Asia...
Discover more about what's new at AWS with Amazon EC2 High Memory instances with 3, 6, 9, and 12TiB of memory are now available in Asia Pacific (Tokyo) region