Memory optimized AWS ElastiCache sizes
AWS ElastiCache has 39 memory optimized sizes in US East (N. Virginia), across 6 families. The cheapest is cache.r6g.large at $0.206 per hour on demand (2 vCPUs, 13.07 GiB).
Prices in US East (N. Virginia), cheapest first
| Type | Family | vCPUs | Memory (GiB) | Tier | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|---|---|
| cache.r6g.large | r6g | 2 | 13.07 | $0.206 | $0.141 | |
| cache.r5.large | r5 | 2 | 13.07 | $0.216 | $0.147 | |
| cache.r7g.large | r7g | 2 | 13.07 | $0.219 | $0.149 | |
| cache.r8g.large | r8g | 2 | 14.18 | Memcached | $0.2195 | $0.1493 |
| cache.r4.large | r4 | 2 | 12.3 | $0.228 | – | |
| cache.r6g.xlarge | r6g | 4 | 26.32 | $0.411 | $0.281 | |
| cache.r5.xlarge | r5 | 4 | 26.32 | $0.431 | $0.295 | |
| cache.r7g.xlarge | r7g | 4 | 26.32 | $0.437 | $0.297 | |
| cache.r8g.xlarge | r8g | 4 | 29.68 | Memcached | $0.4389 | $0.2985 |
| cache.r4.xlarge | r4 | 4 | 25.05 | $0.455 | – | |
| cache.r6gd.xlarge | r6gd | 4 | 26.32 | $0.781 | $0.531 | |
| cache.r6g.2xlarge | r6g | 8 | 52.82 | $0.821 | $0.561 | |
| cache.r5.2xlarge | r5 | 8 | 52.82 | $0.862 | $0.59 | |
| cache.r7g.2xlarge | r7g | 8 | 52.82 | $0.873 | $0.594 | |
| cache.r8g.2xlarge | r8g | 8 | 61.33 | Memcached | $0.8777 | $0.5968 |
| cache.r4.2xlarge | r4 | 8 | 50.47 | $0.91 | – | |
| cache.r6gd.2xlarge | r6gd | 8 | 52.82 | $1.56 | $1.061 | |
| cache.r6g.4xlarge | r6g | 16 | 105.81 | $1.642 | $1.121 | |
| cache.r5.4xlarge | r5 | 16 | 105.81 | $1.724 | $1.179 | |
| cache.r7g.4xlarge | r7g | 16 | 105.81 | $1.745 | $1.187 | |
| cache.r8g.4xlarge | r8g | 16 | 124.65 | Memcached | $1.756 | $1.194 |
| cache.r4.4xlarge | r4 | 16 | 101.38 | $1.82 | – | |
| cache.r6gd.4xlarge | r6gd | 16 | 105.81 | $3.12 | $2.121 | |
| cache.r6g.8xlarge | r6g | 32 | 209.55 | $3.284 | $2.241 | |
| cache.r7g.8xlarge | r7g | 32 | 209.55 | $3.491 | $2.374 | |
| cache.r8g.8xlarge | r8g | 32 | 251.27 | Memcached | $3.511 | $2.388 |
| cache.r4.8xlarge | r4 | 32 | 203.26 | $3.64 | – | |
| cache.r6g.12xlarge | r6g | 48 | 317.77 | $4.925 | $3.362 | |
| cache.r5.12xlarge | r5 | 48 | 317.77 | $5.184 | $3.538 | |
| cache.r7g.12xlarge | r7g | 48 | 317.77 | $5.235 | $3.56 | |
| cache.r8g.12xlarge | r8g | 48 | 377.9 | Memcached | $5.267 | $3.581 |
| cache.r6gd.8xlarge | r6gd | 32 | 209.55 | $6.24 | $4.243 | |
| cache.r6g.16xlarge | r6g | 64 | 419.09 | $6.567 | $4.482 | |
| cache.r7g.16xlarge | r7g | 64 | 419.09 | $6.981 | $4.747 | |
| cache.r8g.16xlarge | r8g | 64 | 504.52 | Memcached | $7.022 | $4.775 |
| cache.r4.16xlarge | r4 | 64 | 407 | $7.28 | – | |
| cache.r6gd.12xlarge | r6gd | 48 | 317.77 | $9.358 | $6.363 | |
| cache.r5.24xlarge | r5 | 96 | 635.61 | $10.368 | $7.076 | |
| cache.r6gd.16xlarge | r6gd | 64 | 419.09 | $12.477 | $8.485 |
Families
Other categories
Prices in USD per hour for Redis; reserved prices are 1 year, no upfront. Updated 2026-11-12 from AWS public price lists. Compare all AWS ElastiCache sizes.