Memory optimized Amazon DocumentDB sizes
Amazon DocumentDB has 36 memory optimized sizes in US East (N. Virginia), across 5 families. The cheapest is db.r6g.large at $0.2632 per hour on demand (2 vCPUs, 16 GiB).
Prices in US East (N. Virginia), cheapest first
| Type | Family | vCPUs | Memory (GiB) | On-demand /hr | 1-yr Savings Plan /hr |
|---|---|---|---|---|---|
| db.r6g.large | r6g | 2 | 16 | $0.2632 | – |
| db.r8g.large | r8g | 2 | 16 | $0.276 | $0.2208 |
| db.r4.large | r4 | 2 | 15.25 | $0.277 | – |
| db.r5.large | r5 | 2 | 16 | $0.277 | – |
| db.r6g.xlarge | r6g | 4 | 32 | $0.5263 | – |
| db.r8g.xlarge | r8g | 4 | 32 | $0.5521 | $0.4417 |
| db.r4.xlarge | r4 | 4 | 30.5 | $0.554 | – |
| db.r5.xlarge | r5 | 4 | 32 | $0.554 | – |
| db.r6gd.xlarge | r6gd | 4 | 32 | $0.6421 | – |
| db.r6g.2xlarge | r6g | 8 | 64 | $1.053 | – |
| db.r8g.2xlarge | r8g | 8 | 64 | $1.104 | $0.8833 |
| db.r4.2xlarge | r4 | 8 | 61 | $1.108 | – |
| db.r5.2xlarge | r5 | 8 | 64 | $1.108 | – |
| db.r6gd.2xlarge | r6gd | 8 | 64 | $1.284 | – |
| db.r6g.4xlarge | r6g | 16 | 128 | $2.105 | – |
| db.r8g.4xlarge | r8g | 16 | 128 | $2.208 | $1.767 |
| db.r4.4xlarge | r4 | 16 | 122 | $2.216 | – |
| db.r5.4xlarge | r5 | 16 | 128 | $2.216 | – |
| db.r6gd.4xlarge | r6gd | 16 | 128 | $2.568 | – |
| db.r6g.8xlarge | r6g | 32 | 256 | $4.21 | – |
| db.r8g.8xlarge | r8g | 32 | 256 | $4.416 | $3.533 |
| db.r5.8xlarge | r5 | 32 | 256 | $4.431 | – |
| db.r4.8xlarge | r4 | 32 | 244 | $4.432 | – |
| db.r6gd.8xlarge | r6gd | 32 | 256 | $5.136 | – |
| db.r6g.12xlarge | r6g | 48 | 384 | $6.316 | – |
| db.r8g.12xlarge | r8g | 48 | 384 | $6.625 | $5.30 |
| db.r5.12xlarge | r5 | 48 | 384 | $6.648 | – |
| db.r6gd.12xlarge | r6gd | 48 | 384 | $7.705 | – |
| db.r6g.16xlarge | r6g | 64 | 512 | $8.419 | – |
| db.r8g.16xlarge | r8g | 64 | 512 | $8.832 | $7.066 |
| db.r5.16xlarge | r5 | 64 | 512 | $8.862 | – |
| db.r4.16xlarge | r4 | 64 | 488 | $8.864 | – |
| db.r6gd.16xlarge | r6gd | 64 | 512 | $10.271 | – |
| db.r8g.24xlarge | r8g | 96 | 768 | $13.25 | $10.60 |
| db.r5.24xlarge | r5 | 96 | 768 | $13.296 | – |
| db.r8g.48xlarge | r8g | 192 | 1536 | $26.50 | $21.20 |
Families
Other categories
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 DocumentDB sizes.