db.r8g.4xlarge
db.r8g.4xlarge is an Amazon DocumentDB size with 16 vCPUs, 128 GiB memory (AWS Graviton4). In US East (N. Virginia) it costs $2.208 per hour on demand ($1,612.13 per month) for Standard storage; a 1-year Database Savings Plan costs $1.767 per hour, 20% less. It is sold in 20 regions.
Prices by region
USD per hour, Standard storage. Reserved prices are no upfront, standard. Cheapest on-demand first.
| Region | On-demand | 1-yr savings plan |
|---|---|---|
| US East (N. Virginia) us-east-1 | $2.208 | $1.767 |
| US East (Ohio) us-east-2 | $2.208 | $1.767 |
| US West (Oregon) us-west-2 | $2.208 | $1.767 |
| EU (Stockholm) eu-north-1 | $2.318 | $1.854 |
| Canada (Central) ca-central-1 | $2.44 | $1.952 |
| Europe (Spain) eu-south-2 | $2.44 | $1.952 |
| EU (Ireland) eu-west-1 | $2.44 | $1.952 |
| Asia Pacific (Mumbai) ap-south-1 | $2.511 | $2.009 |
| EU (Paris) eu-west-3 | $2.551 | $2.041 |
| EU (London) eu-west-2 | $2.591 | $2.073 |
| Asia Pacific (Tokyo) ap-northeast-1 | $2.663 | $2.13 |
| Asia Pacific (Seoul) ap-northeast-2 | $2.663 | $2.13 |
| Asia Pacific (Osaka) ap-northeast-3 | $2.663 | $2.13 |
| Asia Pacific (Singapore) ap-southeast-1 | $2.663 | $2.13 |
| Asia Pacific (Sydney) ap-southeast-2 | $2.663 | $2.13 |
| Asia Pacific (Jakarta) ap-southeast-3 | $2.663 | $2.13 |
| EU (Frankfurt) eu-central-1 | $2.663 | $2.13 |
| AWS GovCloud (US-West) us-gov-west-1 | $2.665 | $2.132 |
| Asia Pacific (Hong Kong) ap-east-1 | $2.937 | $2.35 |
| South America (Sao Paulo) sa-east-1 | $4.569 | $3.655 |
Prices by storage and deployment in US East (N. Virginia)
| Option | On-demand /hr | 1-yr reserved /hr | 3-yr reserved /hr |
|---|---|---|---|
| Standard storage | $2.208 | – | – |
| I/O-Optimized storage | $2.429 | – | – |
Specs
| Compute | Value |
|---|---|
| vCPUs | 16 |
| Physical cores | 16 |
| Threads per core | 1 |
| Architecture | arm64 |
| Processor | AWS Graviton4 |
| CPU maker | AWS |
| Clock speed | Up to 2.8 GHz |
| Sustained clock | 2.8 GHz |
| Burstable | No |
| Memory | Value |
|---|---|
| Memory (GiB) | 128 |
| Networking | Value |
|---|---|
| Network | Up to 15 Gbps |
| Network baseline | 7.5 Gbps |
| Network peak | 15 Gbps |
| Instance details | Value |
|---|---|
| Instance type | db.r8g.4xlarge |
| Family | r8g |
| Category | Memory optimized |
| Current generation | Yes |
| Normalization factor | 32 |
| Other | Value |
|---|---|
| Hardware Basis | r8g.4xlarge |
Compare db.r8g.4xlarge
Other generations
Other r8g sizes
| Size | vCPUs | Memory (GiB) | On-demand /hr |
|---|---|---|---|
| db.r8g.large | 2 | 16 | $0.276 |
| db.r8g.xlarge | 4 | 32 | $0.5521 |
| db.r8g.2xlarge | 8 | 64 | $1.104 |
| db.r8g.4xlarge | 16 | 128 | $2.208 |
| db.r8g.8xlarge | 32 | 256 | $4.416 |
| db.r8g.12xlarge | 48 | 384 | $6.625 |
| db.r8g.16xlarge | 64 | 512 | $8.832 |
| db.r8g.24xlarge | 96 | 768 | $13.25 |
| db.r8g.48xlarge | 192 | 1536 | $26.50 |
Prices updated 2026-11-12 from AWS public price lists. Compare all Amazon DocumentDB sizes.