cache.r8g.8xlarge
cache.r8g.8xlarge is an AWS ElastiCache size with 32 vCPUs, 251.27 GiB memory. In US East (N. Virginia) it costs $3.511 per hour on demand ($2,563.03 per month) for Memcached; a 1-year reserved instance with no upfront costs $2.388 per hour, 32% less. It is sold in 32 regions; the cheapest is Asia Pacific (Mumbai) at $3.046 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 | $3.046 | $2.072 | $1.584 |
| Asia Pacific (Hyderabad) ap-south-2 | $3.06 | $2.081 | $1.591 |
| US East (N. Virginia) us-east-1 | $3.511 | $2.388 | $1.826 |
| US East (Ohio) us-east-2 | $3.511 | $2.388 | $1.826 |
| US West (Oregon) us-west-2 | $3.511 | $2.388 | $1.826 |
| Asia Pacific (Malaysia) ap-southeast-5 | $3.60 | $2.448 | $1.872 |
| Asia Pacific (Thailand) ap-southeast-7 | $3.60 | $2.448 | $1.872 |
| Mexico (Central) mx-central-1 | $3.686 | $2.507 | $1.917 |
| EU (Stockholm) eu-north-1 | $3.734 | $2.539 | $1.942 |
| Canada (Central) ca-central-1 | $3.845 | $2.615 | $2.00 |
| Canada West (Calgary) ca-west-1 | $3.845 | $2.615 | $2.00 |
| US West (N. California) us-west-1 | $3.901 | $2.652 | $2.028 |
| Europe (Spain) eu-south-2 | $3.927 | $2.67 | $2.042 |
| EU (Ireland) eu-west-1 | $3.929 | $2.672 | $2.043 |
| EU (Milan) eu-south-1 | $4.114 | $2.798 | $2.139 |
| EU (London) eu-west-2 | $4.124 | $2.804 | $2.144 |
| EU (Paris) eu-west-3 | $4.124 | $2.804 | $2.144 |
| AWS GovCloud (US-West) us-gov-west-1 | $4.207 | $2.861 | $2.188 |
| Asia Pacific (Melbourne) ap-southeast-4 | $4.208 | $2.861 | $2.188 |
| AWS GovCloud (US-East) us-gov-east-1 | $4.208 | $2.861 | $2.188 |
| Asia Pacific (Sydney) ap-southeast-2 | $4.208 | $2.861 | $2.188 |
| Asia Pacific (Tokyo) ap-northeast-1 | $4.235 | $2.88 | $2.202 |
| Asia Pacific (Seoul) ap-northeast-2 | $4.235 | $2.88 | $2.202 |
| Asia Pacific (Osaka) ap-northeast-3 | $4.235 | $2.88 | $2.202 |
| Asia Pacific (Singapore) ap-southeast-1 | $4.235 | $2.88 | $2.202 |
| Asia Pacific (Jakarta) ap-southeast-3 | $4.235 | $2.88 | $2.202 |
| EU (Frankfurt) eu-central-1 | $4.235 | $2.88 | $2.202 |
| Asia Pacific (New Zealand) ap-southeast-6 | $4.418 | $3.004 | $2.297 |
| Asia Pacific (Hong Kong) ap-east-1 | $4.655 | $3.165 | $2.421 |
| Europe (Zurich) eu-central-2 | $4.659 | $3.168 | $2.423 |
| Africa (Cape Town) af-south-1 | $4.681 | $3.183 | $2.434 |
| South America (Sao Paulo) sa-east-1 | $5.588 | $3.80 | $2.905 |
Prices by engine and deployment in US East (N. Virginia)
| Option | On-demand /hr | 1-yr reserved /hr | 3-yr reserved /hr |
|---|---|---|---|
| Valkey | $2.809 | $1.91 | $1.461 |
| Memcached | $3.511 | $2.388 | $1.826 |
Specs
| Compute | Value |
|---|---|
| vCPUs | 32 |
| Physical cores | 32 |
| Threads per core | 1 |
| Architecture | arm64 |
| CPU maker | AWS |
| Sustained clock | 2.8 GHz |
| Burstable | No |
| Memory | Value |
|---|---|
| Memory (GiB) | 251.27 |
| Networking | Value |
|---|---|
| Network | 15 Gbps |
| Network baseline | 15 Gbps |
| Network peak | 15 Gbps |
| Instance details | Value |
|---|---|
| Instance type | cache.r8g.8xlarge |
| Family | r8g |
| Category | Memory optimized |
| Current generation | Yes |
| Normalization factor | 51.2 |
| Other | Value |
|---|---|
| Hardware Basis | r8g.8xlarge |
Compare cache.r8g.8xlarge
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.