Starting today, Amazon EC2 M5, M5a, M5d, R5, R5a, and R5d instances will be available in new 8xlarge and 16xlarge sizes. The specifications for the new sizes are in the tables below. With these new instance sizes, customers who are currently using either m4.8xlarge, m4.16xlarge, r4.8xlarge, or r4.16xlarge now have an easy upgrade path to the latest generation of instances.  

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