AWS Security ChangesHomeSearch

AWS AmazonRDS: RDS adds m8a/r8a instance class support for MariaDB, MySQL, PostgreSQL

Service: AmazonRDS · 2026-09-30 · Documentation low

File: AmazonRDS/latest/UserGuide/Concepts.DBInstanceClass.Support.md

Summary

Updated the DB instance class support matrix to mark db.m8a and db.r8a instance classes as supported (Yes) for MariaDB, MySQL, and PostgreSQL, and removed SQL Server support for these classes.

Security assessment

This is a purely informational support-matrix update indicating which database engines can run on given instance classes. It has no bearing on authentication, encryption, or any vulnerability.

Evidence

+db.m8a.48xlarge | No | Yes | No | Yes | No | Yes

Diff

diff --git a/AmazonRDS/latest/UserGuide/Concepts.DBInstanceClass.Support.md b/AmazonRDS/latest/UserGuide/Concepts.DBInstanceClass.Support.md
index c053d94..21902e1 100644
--- a//AmazonRDS/latest/UserGuide/Concepts.DBInstanceClass.Support.md
+++ b//AmazonRDS/latest/UserGuide/Concepts.DBInstanceClass.Support.md
@@ -121,9 +121,9 @@ Instance class | Db2 | MariaDB | Microsoft SQL Server | MySQL | Oracle | Postgre
-db.m8a.48xlarge | No | No | No | No | No | No  
-db.m8a.24xlarge | No | No | No | No | No | No  
-db.m8a.16xlarge | No | No | Yes | No | No | No  
-db.m8a.12xlarge | No | No | Yes | No | No | No  
-db.m8a.8xlarge | No | No | Yes | No | No | No  
-db.m8a.4xlarge | No | No | Yes | No | No | No  
-db.m8a.2xlarge | No | No | Yes | No | No | No  
-db.m8a.xlarge | No | No | Yes | No | No | No  
-db.m8a.large | No | No | Yes | No | No | No  
+db.m8a.48xlarge | No | Yes | No | Yes | No | Yes  
+db.m8a.24xlarge | No | Yes | No | Yes | No | Yes  
+db.m8a.16xlarge | No | Yes | Yes | Yes | No | Yes  
+db.m8a.12xlarge | No | Yes | Yes | Yes | No | Yes  
+db.m8a.8xlarge | No | Yes | Yes | Yes | No | Yes  
+db.m8a.4xlarge | No | Yes | Yes | Yes | No | Yes  
+db.m8a.2xlarge | No | Yes | Yes | Yes | No | Yes  
+db.m8a.xlarge | No | Yes | Yes | Yes | No | Yes  
+db.m8a.large | No | Yes | Yes | Yes | No | Yes  
@@ -414,9 +414,9 @@ Instance class | Db2 | MariaDB | Microsoft SQL Server | MySQL | Oracle | Postgre
-db.r8a.48xlarge | No | No | No | No | No | No  
-db.r8a.24xlarge | No | No | No | No | No | No  
-db.r8a.16xlarge | No | No | Yes | No | No | No  
-db.r8a.12xlarge | No | No | Yes | No | No | No  
-db.r8a.8xlarge | No | No | Yes | No | No | No  
-db.r8a.4xlarge | No | No | Yes | No | No | No  
-db.r8a.2xlarge | No | No | Yes | No | No | No  
-db.r8a.xlarge | No | No | Yes | No | No | No  
-db.r8a.large | No | No | Yes | No | No | No  
+db.r8a.48xlarge | No | Yes | No | Yes | No | Yes  
+db.r8a.24xlarge | No | Yes | No | Yes | No | Yes  
+db.r8a.16xlarge | No | Yes | Yes | Yes | No | Yes  
+db.r8a.12xlarge | No | Yes | Yes | Yes | No | Yes  
+db.r8a.8xlarge | No | Yes | Yes | Yes | No | Yes  
+db.r8a.4xlarge | No | Yes | Yes | Yes | No | Yes  
+db.r8a.2xlarge | No | Yes | Yes | Yes | No | Yes  
+db.r8a.xlarge | No | Yes | Yes | Yes | No | Yes  
+db.r8a.large | No | Yes | Yes | Yes | No | Yes