AWS adds larger SQL Server instances with local temporary storage

Published Friday, November 13, 2026 · 7:01 AM EST

AWS says Amazon RDS for SQL Server now supports M8id and R8id instances, expanding available capacity to 384 vCPUs, 3 TiB of memory and 22.8 TB of local NVMe SSD storage. That provides 4x the vCPUs and memory and more than 6x the local storage of M5d and R5d instances. RDS automatically puts tempdb data and log files on local storage, which AWS says lowers read and write latency compared with Amazon EBS. Database data and log files remain on EBS. Snapshots exclude the local tempdb files, reducing snapshot size and backup storage use. Customers can create or modify instances through the console, SDK or CLI in the listed supported regions.

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