# Options for MySQL DB instances
<a name="Appendix.MySQL.Options"></a>

Following, you can find a description of options, or additional features, that are available for Amazon RDS instances running the MySQL DB engine. To enable these options, you can add them to a custom option group, and then associate the option group with your DB instance. For more information about working with option groups, see [Working with option groups](USER_WorkingWithOptionGroups.md). 

Amazon RDS supports the following options for MySQL: 


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| Option | Option ID | Engine versions | 
| --- | --- | --- | 
| [MariaDB Audit Plugin support for MySQL](Appendix.MySQL.Options.AuditPlugin.md) | `MARIADB_AUDIT_PLUGIN` | All MySQL 8.4 versionsMySQL 8.0.28 and higher 8.0 versions<br />All MySQL 5.7 versions | 
| [MySQL memcached support](Appendix.MySQL.Options.memcached.md) | `MEMCACHED` | All MySQL 5.7 and 8.0 versions |