# Supported DB engines for DB instance classes
<a name="Concepts.DBInstanceClass.SupportAurora"></a><a name="instance_classes"></a>

The following tables show the supported DB instance classes for the Amazon Aurora DB engines.

**db.serverless – Aurora Serverless v2 instance class with automatic capacity scaling**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.x2g – memory-optimized instance classes powered by AWS Graviton2 processors**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r6gd – Optimized Reads instance classes powered by AWS Graviton2 processors**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r6id – Optimized Reads instance classes**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r8g – memory-optimized instance classes powered by AWS Graviton4 processors**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r8gd – optimized reads instance classes powered by AWS Graviton4 processors**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r7g – memory-optimized instance classes powered by AWS Graviton3 processors**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r7i – memory-optimized instance classes**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r6g – memory-optimized instance classes powered by AWS Graviton2 processors**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r6i – memory-optimized instance classes**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r5 – memory-optimized instance classes**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r4 – memory-optimized instance classes**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.t4g – burstable-performance instance classes powered by AWS Graviton2 processors**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.t3 – burstable-performance instance classes**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.t2 – burstable-performance instance classes**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)