cache.r8g.xlarge
cache.r8g.xlarge is an AWS ElastiCache size with 4 vCPUs, 29.68 GiB memory. In US East (N. Virginia) it costs $0.4389 per hour on demand ($320.40 per month) for Memcached; a 1-year reserved instance with no upfront costs $0.2985 per hour, 32% less. It is sold in 32 regions; the cheapest is Asia Pacific (Mumbai) at $0.3808 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 | $0.3808 | $0.2589 | $0.198 |
| Asia Pacific (Hyderabad) ap-south-2 | $0.3825 | $0.2601 | $0.1989 |
| US East (N. Virginia) us-east-1 | $0.4389 | $0.2985 | $0.2282 |
| US East (Ohio) us-east-2 | $0.4389 | $0.2985 | $0.2282 |
| US West (Oregon) us-west-2 | $0.4389 | $0.2985 | $0.2282 |
| Asia Pacific (Malaysia) ap-southeast-5 | $0.45 | $0.306 | $0.234 |
| Asia Pacific (Thailand) ap-southeast-7 | $0.45 | $0.306 | $0.234 |
| Mexico (Central) mx-central-1 | $0.4608 | $0.3133 | $0.2396 |
| EU (Stockholm) eu-north-1 | $0.4667 | $0.3174 | $0.2427 |
| Canada (Central) ca-central-1 | $0.4806 | $0.3268 | $0.2499 |
| Canada West (Calgary) ca-west-1 | $0.4807 | $0.3269 | $0.25 |
| US West (N. California) us-west-1 | $0.4876 | $0.3316 | $0.2536 |
| Europe (Spain) eu-south-2 | $0.4908 | $0.3337 | $0.2552 |
| EU (Ireland) eu-west-1 | $0.4911 | $0.3339 | $0.2554 |
| EU (Milan) eu-south-1 | $0.5143 | $0.3497 | $0.2674 |
| EU (London) eu-west-2 | $0.5154 | $0.3505 | $0.268 |
| EU (Paris) eu-west-3 | $0.5154 | $0.3505 | $0.268 |
| Asia Pacific (Melbourne) ap-southeast-4 | $0.5259 | $0.3576 | $0.2735 |
| AWS GovCloud (US-East) us-gov-east-1 | $0.5259 | $0.3576 | $0.2735 |
| AWS GovCloud (US-West) us-gov-west-1 | $0.5259 | $0.3576 | $0.2735 |
| Asia Pacific (Sydney) ap-southeast-2 | $0.526 | $0.3577 | $0.2735 |
| Asia Pacific (Tokyo) ap-northeast-1 | $0.5294 | $0.36 | $0.2753 |
| Asia Pacific (Seoul) ap-northeast-2 | $0.5294 | $0.36 | $0.2753 |
| Asia Pacific (Osaka) ap-northeast-3 | $0.5294 | $0.36 | $0.2753 |
| Asia Pacific (Singapore) ap-southeast-1 | $0.5294 | $0.36 | $0.2753 |
| Asia Pacific (Jakarta) ap-southeast-3 | $0.5294 | $0.36 | $0.2753 |
| EU (Frankfurt) eu-central-1 | $0.5294 | $0.36 | $0.2753 |
| Asia Pacific (New Zealand) ap-southeast-6 | $0.5523 | $0.3755 | $0.2872 |
| Asia Pacific (Hong Kong) ap-east-1 | $0.5819 | $0.3957 | $0.3026 |
| Europe (Zurich) eu-central-2 | $0.5824 | $0.396 | $0.3028 |
| Africa (Cape Town) af-south-1 | $0.5851 | $0.3979 | $0.3043 |
| South America (Sao Paulo) sa-east-1 | $0.6984 | $0.4749 | $0.3632 |
Prices by engine and deployment in US East (N. Virginia)
| Option | On-demand /hr | 1-yr reserved /hr | 3-yr reserved /hr |
|---|---|---|---|
| Valkey | $0.3511 | $0.2387 | $0.1826 |
| Memcached | $0.4389 | $0.2985 | $0.2282 |
Specs
| Compute | Value |
|---|---|
| vCPUs | 4 |
| Physical cores | 4 |
| Threads per core | 1 |
| Architecture | arm64 |
| CPU maker | AWS |
| Sustained clock | 2.8 GHz |
| Burstable | No |
| Memory | Value |
|---|---|
| Memory (GiB) | 29.68 |
| Networking | Value |
|---|---|
| Network | Up to 12.5 Gbps |
| Network baseline | 1.875 Gbps |
| Network peak | 12.5 Gbps |
| Instance details | Value |
|---|---|
| Instance type | cache.r8g.xlarge |
| Family | r8g |
| Category | Memory optimized |
| Current generation | Yes |
| Normalization factor | 6.4 |
| Other | Value |
|---|---|
| Hardware Basis | r8g.xlarge |
Compare cache.r8g.xlarge
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.