Posted On: Jan 18, 2017
Amazon EC2 R4 instances are now available in the following regions: Asia Pacific (Tokyo), Asia Pacific (Singapore), South America (São Paulo), Asia Pacific (Seoul), Asia Pacific (Mumbai), Canada (Central), and EU (London).
To learn more about these instance types, visit the Amazon EC2 Instance Types page, the Amazon EC2 User Guide's section on Instance Types, or the Amazon EC2 Pricing page.