Amazon RDS for MySQL, MariaDB, PostgreSQL, Oracle and SQL Server now support m4 instance typesYou can now launch M4 instances when using Amazon RDS for MySQL, MariaDB, PostgreSQL, Oracle and SQL Server. M4 Instances have a good balance of compute, memory and network resources and are EBS-optimized by default. M4 instances comes in 5 sizes ranging from 2 to 40 vCPUs and 8 GB to 160 GB of memory, and have superior performance and lower prices than RDS M3 instances. M4 instances feature a cus
