Starting today, Amazon EC2 c5.12xlarge, c5.24xlarge, and c5.metal instance sizes are available in the AWS US East (Ohio), US West (N. California), Canada (Central), and Asia Pacific (Mumbai, Tokyo) Regions. The 3 new C5 instance sizes are powered by custom 2nd Generation Intel Xeon Scalable Processors (based on the Cascade Lake architecture) with sustained all-core turbo frequency of 3.6 GHz and maximum single core turbo frequency of 3.9 GHz.