| Cost Driver | Low Cost (dev/test) | Moderate (production) | High (heavy production) | |-------------|--------------------|------------------------|--------------------------| | Instance | db.t3.medium (Single-AZ) | db.r6g.large (Single-AZ) | db.r6g.4xlarge (Multi-AZ) | | Monthly compute | ~$67 | ~$118 | ~$1,890 | | Storage (500 GB) | $50 | $50 | $50 | | I/O (millions/month) | 50 ($10) | 500 ($100) | 5,000 ($1,000) | | | ~$127 | ~$268 | ~$2,940 |