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# 資料庫執行個體類別的支援資料庫引擎
<a name="Concepts.DBInstanceClass.SupportAurora"></a><a name="instance_classes"></a>

下表顯示 Amazon Aurora 資料庫引擎的支援資料庫執行個體類別。

**db.serverless：具有自動容量擴展的 Aurora Serverless v2 執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.x2g – 採用 AWS Graviton2 處理器的記憶體最佳化執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r6gd – 採用 AWS Graviton2 處理器的 Optimized Reads 執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

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

**db.r8g – 採用 AWS Graviton4 處理器的記憶體最佳化執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r8gd – 最佳化讀取採用 AWS Graviton4 處理器的執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r7g – 採用 AWS Graviton3 處理器的記憶體最佳化執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r7i：記憶體最佳化的執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r6g – 採用 AWS Graviton2 處理器的記憶體最佳化執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r6i – 記憶體優化執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r5 – 記憶體優化執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.r4 – 記憶體優化執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.t4g – 採用 AWS Graviton2 處理器的爆量效能執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.t3 – 爆量效能執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)

**db.t2 – 爆量效能執行個體類別**      
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/zh_tw/AmazonRDS/latest/AuroraUserGuide/Concepts.DBInstanceClass.SupportAurora.html)