Aws Documentdb Cost Jun 2026

| Service | I/O charge | Typical cost for 1TB data, 200M I/O, 2 replicas | |---------|------------|--------------------------------------------------| | | $0.20/million | ~$1,200/month | | MongoDB Atlas (M40, 3 nodes) | Included in instance | ~$1,500-1,800/month | | Self-managed MongoDB on EC2 (r5.xlarge x3) | EBS I/O charges (~$0.05/GB-month + $0.05/mil) | ~$900-1,100 + operational overhead |

: Unlike Amazon RDS or Aurora, DocumentDB charges separately for I/O requests – this can be a hidden major cost. aws documentdb cost