RDS for PostgreSQL Instance Classes

To learn about the DB engine versions supported by RDS for PostgreSQL, see DB Engines and Versions.

**Table 1** Instance classes
Instance Class	vCPUs	Memory (GB)	Supported DB Engine
General-purpose	2	8	PostgreSQL
	4	16	PostgreSQL
	8	32	PostgreSQL
Dedicated	2	4	PostgreSQL
	2	8	PostgreSQL
	2	16	PostgreSQL
	4	8	PostgreSQL
	4	16	PostgreSQL
	4	32	PostgreSQL
	8	16	PostgreSQL
	8	32	PostgreSQL
	8	64	PostgreSQL
	16	32	PostgreSQL
	16	64	PostgreSQL
	16	128	PostgreSQL
	32	64	PostgreSQL
	32	128	PostgreSQL
	64	128	PostgreSQL
	64	256	PostgreSQL
	64	512	PostgreSQL

The DB instance specifications vary according to site requirements.

Parent topic: DB Instance Classes

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