r6g family
The r6g family has 7 sizes on Amazon Neptune, from 2 to 64 vCPUs and 16 to 512 GiB of memory. In US East (N. Virginia), on-demand prices run $0.3287 to $10.568 per hour for Standard storage. It is sold in 28 regions and listed as memory optimized and Arm (Graviton).
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| db.r6g.large | 2 | 16 | $0.3287 | – |
| db.r6g.xlarge | 4 | 32 | $0.6574 | – |
| db.r6g.2xlarge | 8 | 64 | $1.315 | – |
| db.r6g.4xlarge | 16 | 128 | $2.642 | – |
| db.r6g.8xlarge | 32 | 256 | $5.284 | – |
| db.r6g.12xlarge | 48 | 384 | $7.926 | – |
| db.r6g.16xlarge | 64 | 512 | $10.568 | – |
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Regions
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Prices in USD per hour for Standard storage; Savings Plan prices are a 1-year Database Savings Plan, no upfront. Cluster storage, I/O (on Standard storage) and backups are billed on top. Updated 2026-11-12 from AWS public price lists. Compare all Amazon Neptune sizes.