cache.r8g.16xlarge
cache.r8g.16xlarge is an AWS ElastiCache size with 64 vCPUs, 504.52 GiB memory. In US East (N. Virginia) it costs $7.022 per hour on demand ($5,126.13 per month) for Memcached; a 1-year reserved instance with no upfront costs $4.775 per hour, 32% less. It is sold in 32 regions; the cheapest is Asia Pacific (Mumbai) at $6.093 per hour.
Prices by region
USD per hour, Memcached. Reserved prices are no upfront, standard. Cheapest on-demand first.
| Region | On-demand | 1-yr reserved | 3-yr reserved |
|---|---|---|---|
| Asia Pacific (Mumbai) ap-south-1 | $6.093 | $4.143 | $3.168 |
| Asia Pacific (Hyderabad) ap-south-2 | $6.12 | $4.162 | $3.182 |
| US East (N. Virginia) us-east-1 | $7.022 | $4.775 | $3.651 |
| US East (Ohio) us-east-2 | $7.022 | $4.775 | $3.651 |
| US West (Oregon) us-west-2 | $7.022 | $4.775 | $3.651 |
| Asia Pacific (Malaysia) ap-southeast-5 | $7.20 | $4.896 | $3.744 |
| Asia Pacific (Thailand) ap-southeast-7 | $7.20 | $4.896 | $3.744 |
| Mexico (Central) mx-central-1 | $7.372 | $5.013 | $3.834 |
| EU (Stockholm) eu-north-1 | $7.467 | $5.078 | $3.883 |
| Canada (Central) ca-central-1 | $7.691 | $5.23 | $3.999 |
| Canada West (Calgary) ca-west-1 | $7.691 | $5.23 | $3.999 |
| US West (N. California) us-west-1 | $7.802 | $5.305 | $4.057 |
| Europe (Spain) eu-south-2 | $7.854 | $5.341 | $4.084 |
| EU (Ireland) eu-west-1 | $7.858 | $5.343 | $4.086 |
| EU (Milan) eu-south-1 | $8.228 | $5.595 | $4.279 |
| EU (London) eu-west-2 | $8.248 | $5.608 | $4.289 |
| EU (Paris) eu-west-3 | $8.248 | $5.608 | $4.289 |
| AWS GovCloud (US-West) us-gov-west-1 | $8.415 | $5.722 | $4.376 |
| Asia Pacific (Melbourne) ap-southeast-4 | $8.415 | $5.723 | $4.376 |
| AWS GovCloud (US-East) us-gov-east-1 | $8.415 | $5.723 | $4.376 |
| Asia Pacific (Sydney) ap-southeast-2 | $8.416 | $5.723 | $4.376 |
| Asia Pacific (Tokyo) ap-northeast-1 | $8.47 | $5.76 | $4.405 |
| Asia Pacific (Seoul) ap-northeast-2 | $8.47 | $5.76 | $4.405 |
| Asia Pacific (Osaka) ap-northeast-3 | $8.47 | $5.76 | $4.405 |
| Asia Pacific (Singapore) ap-southeast-1 | $8.47 | $5.76 | $4.405 |
| Asia Pacific (Jakarta) ap-southeast-3 | $8.47 | $5.76 | $4.405 |
| EU (Frankfurt) eu-central-1 | $8.47 | $5.76 | $4.405 |
| Asia Pacific (New Zealand) ap-southeast-6 | $8.836 | $6.009 | $4.595 |
| Asia Pacific (Hong Kong) ap-east-1 | $9.309 | $6.33 | $4.841 |
| Europe (Zurich) eu-central-2 | $9.318 | $6.336 | $4.845 |
| Africa (Cape Town) af-south-1 | $9.362 | $6.366 | $4.868 |
| South America (Sao Paulo) sa-east-1 | $11.175 | $7.599 | $5.811 |
Prices by engine and deployment in US East (N. Virginia)
| Option | On-demand /hr | 1-yr reserved /hr | 3-yr reserved /hr |
|---|---|---|---|
| Valkey | $5.618 | $3.82 | $2.921 |
| Memcached | $7.022 | $4.775 | $3.651 |
Specs
| Compute | Value |
|---|---|
| vCPUs | 64 |
| Physical cores | 64 |
| Threads per core | 1 |
| Architecture | arm64 |
| CPU maker | AWS |
| Sustained clock | 2.8 GHz |
| Burstable | No |
| Memory | Value |
|---|---|
| Memory (GiB) | 504.52 |
| Networking | Value |
|---|---|
| Network | 30 Gbps |
| Network baseline | 30 Gbps |
| Network peak | 30 Gbps |
| Instance details | Value |
|---|---|
| Instance type | cache.r8g.16xlarge |
| Family | r8g |
| Category | Memory optimized |
| Current generation | Yes |
| Normalization factor | 128 |
| Other | Value |
|---|---|
| Hardware Basis | r8g.16xlarge |
Compare cache.r8g.16xlarge
Compute and memory optimized
With or without local disk and networking
Other generations
Other r8g sizes
| Size | vCPUs | Memory (GiB) | On-demand /hr |
|---|---|---|---|
| cache.r8g.large | 2 | 14.18 | $0.2195 |
| cache.r8g.xlarge | 4 | 29.68 | $0.4389 |
| cache.r8g.2xlarge | 8 | 61.33 | $0.8777 |
| cache.r8g.4xlarge | 16 | 124.65 | $1.756 |
| cache.r8g.8xlarge | 32 | 251.27 | $3.511 |
| cache.r8g.12xlarge | 48 | 377.9 | $5.267 |
| cache.r8g.16xlarge | 64 | 504.52 | $7.022 |
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS ElastiCache sizes.