# 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 instance class with automatic capacity scaling**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.serverless</td><td>See <a href="Concepts.Aurora_Fea_Regions_DB-eng.Feature.ServerlessV2.md">Supported Regions and Aurora DB engines for Aurora serverless</a>.</td><td>See <a href="Concepts.Aurora_Fea_Regions_DB-eng.Feature.ServerlessV2.md">Supported Regions and Aurora DB engines for Aurora serverless</a>.</td></tr>
</tbody>
</table>


**db.x2g – memory-optimized instance classes powered by Amazon Graviton2 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.x2g.16xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.x2g.12xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.x2g.8xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.x2g.4xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.x2g.2xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.x2g.xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.x2g.large</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
</tbody>
</table>


**db.r6gd – Optimized Reads instance classes powered by Amazon Graviton2 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r6gd.16xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
  <tr><td>db.r6gd.12xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
  <tr><td>db.r6gd.8xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
  <tr><td>db.r6gd.4xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
  <tr><td>db.r6gd.2xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
  <tr><td>db.r6gd.xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
</tbody>
</table>


**db.r6id – Optimized Reads instance classes**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r6id.32xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
  <tr><td>db.r6id.24xlarge</td><td>No</td><td>17.4 and higher, 16.1 and higher, 15.4 and higher, 14.9 and higher</td></tr>
</tbody>
</table>


**db.r8a – memory-optimized instance classes powered by 5th Generation AMD EPYC processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r8a.48xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.24xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.16xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.12xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.8xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.4xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.2xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.xlarge</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
  <tr><td>db.r8a.large</td><td>3.08.0 and higher, 3.09.0 and higher, 3.10.0 and higher, 3.11.1, 3.12.0, 8.4.7 and higher</td><td>14.17 and higher, 15.10 and higher, 16.8 and higher, 17.4 and higher, 18.3</td></tr>
</tbody>
</table>


**db.r9g – memory-optimized instance classes powered by Amazon Graviton5 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r9g.48xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.24xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.16xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.12xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.8xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.4xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.2xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.xlarge</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
  <tr><td>db.r9g.large</td><td>3.08.0 through 3.08.2, 3.09.0, 3.10.0 through 3.10.6, 3.11.1, 3.12.0, 8.4.7, 8.4.8, 8.4.10</td><td>14.17 through 14.20, 14.22 through 14.24, 15.10, 15.12 through 15.15, 15.17 through 15.19, 16.8 through 16.11, 16.13 through 16.15, 17.4 through 17.7, 17.9 through 17.11, 18.3, 18.4, 18.6</td></tr>
</tbody>
</table>


**db.r8g – memory-optimized instance classes powered by Amazon Graviton4 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r8g.48xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.24xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.16xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.12xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.8xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.4xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.2xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r8g.large</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
</tbody>
</table>


**db.r8gd – optimized reads instance classes powered by Amazon Graviton4 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r8gd.48xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
  <tr><td>db.r8gd.24xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
  <tr><td>db.r8gd.16xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
  <tr><td>db.r8gd.12xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
  <tr><td>db.r8gd.8xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
  <tr><td>db.r8gd.4xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
  <tr><td>db.r8gd.2xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
  <tr><td>db.r8gd.xlarge</td><td>No</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher</td></tr>
</tbody>
</table>


**db.r7g – memory-optimized instance classes powered by Amazon Graviton3 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r7g.16xlarge</td><td>2.12.0 and higher, 3.03.1 and higher</td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.7 and higher, 13.10 and higher</td></tr>
  <tr><td>db.r7g.12xlarge</td><td>2.12.0 and higher, 3.03.1 and higher</td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.7 and higher, 13.10 and higher</td></tr>
  <tr><td>db.r7g.8xlarge</td><td>2.12.0 and higher, 3.03.1 and higher</td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.7 and higher, 13.10 and higher</td></tr>
  <tr><td>db.r7g.4xlarge</td><td>2.12.0 and higher, 3.03.1 and higher</td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.7 and higher, 13.10 and higher</td></tr>
  <tr><td>db.r7g.2xlarge</td><td>2.12.0 and higher, 3.03.1 and higher</td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.7 and higher, 13.10 and higher</td></tr>
  <tr><td>db.r7g.xlarge</td><td>2.12.0 and higher, 3.03.1 and higher</td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.7 and higher, 13.10 and higher</td></tr>
  <tr><td>db.r7g.large</td><td>2.12.0 and higher, 3.03.1 and higher</td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.7 and higher, 13.10 and higher</td></tr>
</tbody>
</table>


**db.r7i – memory-optimized instance classes**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r7i.48xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.24xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.16xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.12xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.8xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.4xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.2xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.xlarge</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
  <tr><td>db.r7i.large</td><td>3.08.0 and higher</td><td>17.4 and higher, 16.3 and higher, 15.7 and higher, 14.12 and higher, 13.15 and higher</td></tr>
</tbody>
</table>


**db.r6g – memory-optimized instance classes powered by Amazon Graviton2 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r6g.16xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.r6g.12xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.r6g.8xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.r6g.4xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.r6g.2xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.r6g.xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
  <tr><td>db.r6g.large</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.8 and higher, 11.9, 11.12 and higher</td></tr>
</tbody>
</table>


**db.r6i – memory-optimized instance classes**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r6i.32xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.24xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.16xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.12xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.8xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.4xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.2xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
  <tr><td>db.r6i.large</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.5 and higher, 12.9 and higher</td></tr>
</tbody>
</table>


**db.r5 – memory-optimized instance classes**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r5.24xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
  <tr><td>db.r5.16xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
  <tr><td>db.r5.12xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
  <tr><td>db.r5.8xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
  <tr><td>db.r5.4xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
  <tr><td>db.r5.2xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
  <tr><td>db.r5.xlarge</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
  <tr><td>db.r5.large</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All currently available versions</a></td></tr>
</tbody>
</table>


**db.r4 – memory-optimized instance classes**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.r4.16xlarge</td><td>All 2.x versions; not supported in 3.x versions</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All supported 11 and 12 versions</a></td></tr>
  <tr><td>db.r4.8xlarge</td><td>All 2.x versions; not supported in 3.x versions</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All supported 11 and 12 versions</a></td></tr>
  <tr><td>db.r4.4xlarge</td><td>All 2.x versions; not supported in 3.x versions</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All supported 11 and 12 versions</a></td></tr>
  <tr><td>db.r4.2xlarge</td><td>All 2.x versions; not supported in 3.x versions</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All supported 11 and 12 versions</a></td></tr>
  <tr><td>db.r4.xlarge</td><td>All 2.x versions; not supported in 3.x versions</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All supported 11 and 12 versions</a></td></tr>
  <tr><td>db.r4.large</td><td>All 2.x versions; not supported in 3.x versions</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html">All supported 11 and 12 versions</a></td></tr>
</tbody>
</table>


**db.t4g – burstable-performance instance classes powered by Amazon Graviton2 processors**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.t4g.2xlarge</td><td>No</td><td>No</td></tr>
  <tr><td>db.t4g.xlarge</td><td>No</td><td>No</td></tr>
  <tr><td>db.t4g.large</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.7 and higher, 11.12 and higher</td></tr>
  <tr><td>db.t4g.medium</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.7 and higher, 11.12 and higher</td></tr>
  <tr><td>db.t4g.small</td><td>No</td><td>No</td></tr>
</tbody>
</table>


**db.t3 – burstable-performance instance classes**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.t3.2xlarge</td><td>No</td><td>No</td></tr>
  <tr><td>db.t3.xlarge</td><td>No</td><td>No</td></tr>
  <tr><td>db.t3.large</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.7 and higher, 11.12 and higher</td></tr>
  <tr><td>db.t3.medium</td><td><a href="https://docs.amazonaws.cn/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.release-calendars.html">All currently available versions</a></td><td>17.4 and higher, 16.1 and higher, 15.2 and higher, 14.3 and higher, 13.3 and higher, 12.7 and higher, 11.12 and higher</td></tr>
  <tr><td>db.t3.small</td><td>All 2.x versions; not supported in 3.x versions</td><td>No</td></tr>
  <tr><td>db.t3.micro</td><td>No</td><td>No</td></tr>
</tbody>
</table>


**db.t2 – burstable-performance instance classes**  


<table>
<thead>
  <tr><th>Instance class</th><th>Aurora MySQL</th><th>Aurora PostgreSQL</th></tr>
</thead>
<tbody>
  <tr><td>db.t2.medium</td><td>All 2.x versions; not supported in 3.x versions</td><td>No</td></tr>
  <tr><td>db.t2.small</td><td>All 2.x versions; not supported in 3.x versions</td><td>No</td></tr>
</tbody>
</table>