What is AWS Aurora:IO-OptimizedLimitlessACUUsage-LimitlessPreview?

Last updated: April 10, 2025

The number of Aurora capacity unit (ACU) hours for the Aurora IO-Optimized Limitless Preview (now generally available). Each ACU corresponds to approximately 2 GB of memory and corresponding CPU and networking resources. Scaling works by setting the minimum and maximum number of ACUs to scale between.