r8g.4xlarge.search
r8g.4xlarge.search is an AWS OpenSearch size with 16 vCPUs, 128 GiB memory. In US East (N. Virginia) it costs $1.565 per hour on demand ($1,142.45 per month); a 1-year reserved instance with no upfront costs $1.08 per hour, 31% less. It is sold in 33 regions; the cheapest is Asia Pacific (Mumbai) at $1.097 per hour.
Prices by region
USD per hour. Reserved prices are no upfront, standard. Cheapest on-demand first.
| Region | On-demand | 1-yr reserved | 3-yr reserved | 1-yr savings plan |
|---|---|---|---|---|
| Asia Pacific (Mumbai) ap-south-1 | $1.097 | $0.757 | $0.57 | $0.8776 |
| Asia Pacific (Hyderabad) ap-south-2 | $1.097 | $0.757 | $0.57 | $0.8776 |
| US East (N. Virginia) us-east-1 | $1.565 | $1.08 | $0.814 | $1.252 |
| US East (Ohio) us-east-2 | $1.565 | $1.08 | $0.814 | $1.252 |
| US West (Oregon) us-west-2 | $1.565 | $1.08 | $0.814 | $1.252 |
| Asia Pacific (Thailand) ap-southeast-7 | $1.604 | $1.107 | $0.834 | $1.283 |
| Asia Pacific (Malaysia) ap-southeast-5 | $1.605 | $1.107 | $0.835 | $1.284 |
| Mexico (Central) mx-central-1 | $1.643 | $1.133 | $0.854 | $1.314 |
| EU (Stockholm) eu-north-1 | $1.664 | $1.148 | $0.865 | $1.331 |
| Canada West (Calgary) ca-west-1 | $1.714 | $1.182 | $0.891 | $1.371 |
| Canada (Central) ca-central-1 | $1.714 | $1.183 | $0.891 | $1.371 |
| US West (N. California) us-west-1 | $1.739 | $1.20 | $0.904 | $1.391 |
| Europe (Spain) eu-south-2 | $1.751 | $1.208 | $0.911 | $1.401 |
| EU (Ireland) eu-west-1 | $1.751 | $1.208 | $0.911 | $1.401 |
| EU (Milan) eu-south-1 | $1.833 | $1.265 | $0.953 | $1.467 |
| EU (London) eu-west-2 | $1.838 | $1.268 | $0.956 | $1.47 |
| EU (Paris) eu-west-3 | $1.838 | $1.268 | $0.956 | $1.47 |
| AWS GovCloud (US-East) us-gov-east-1 | $1.875 | $1.294 | $0.975 | $1.50 |
| AWS GovCloud (US-West) us-gov-west-1 | $1.875 | $1.294 | $0.975 | $1.50 |
| Asia Pacific (Sydney) ap-southeast-2 | $1.876 | $1.294 | $0.976 | $1.501 |
| Asia Pacific (Melbourne) ap-southeast-4 | $1.876 | $1.294 | $0.976 | $1.501 |
| Asia Pacific (Tokyo) ap-northeast-1 | $1.888 | $1.303 | $0.982 | $1.51 |
| Asia Pacific (Seoul) ap-northeast-2 | $1.888 | $1.303 | $0.982 | $1.51 |
| Asia Pacific (Osaka) ap-northeast-3 | $1.888 | $1.303 | $0.982 | $1.51 |
| Asia Pacific (Singapore) ap-southeast-1 | $1.888 | $1.303 | $0.982 | $1.51 |
| Asia Pacific (Jakarta) ap-southeast-3 | $1.888 | $1.303 | $0.982 | $1.51 |
| EU (Frankfurt) eu-central-1 | $1.888 | $1.303 | $0.982 | $1.51 |
| Middle East (UAE) me-central-1 | $1.926 | $1.329 | $1.001 | $1.541 |
| Asia Pacific (New Zealand) ap-southeast-6 | $1.969 | $1.359 | $1.024 | $1.575 |
| Asia Pacific (Hong Kong) ap-east-1 | $2.075 | $1.432 | $1.079 | $1.66 |
| Europe (Zurich) eu-central-2 | $2.076 | $1.433 | $1.08 | $1.661 |
| Africa (Cape Town) af-south-1 | $2.086 | $1.439 | $1.085 | $1.669 |
| South America (Sao Paulo) sa-east-1 | $2.49 | $1.718 | $1.295 | $1.992 |
Specs
| Compute | Value |
|---|---|
| vCPUs | 16 |
| Physical cores | 16 |
| Threads per core | 1 |
| Architecture | arm64 |
| CPU maker | AWS |
| Sustained clock | 2.8 GHz |
| Burstable | No |
| ECU | variable |
| Memory | Value |
|---|---|
| Memory (GiB) | 128 |
| Networking | Value |
|---|---|
| Network baseline | 7.5 Gbps |
| Network peak | 15 Gbps |
| Storage | Value |
|---|---|
| Storage | EBS Only |
| EBS baseline bandwidth | 5,000 Mbps |
| EBS max bandwidth | 10,000 Mbps |
| EBS baseline throughput | 625 MB/s |
| EBS max throughput | 1,250 MB/s |
| EBS baseline IOPS | 20,000 |
| EBS max IOPS | 40,000 |
| Cluster | Value |
|---|---|
| Node roles | Data, Dedicated manager, Coordinator |
| UltraWarm | Yes |
| Instance details | Value |
|---|---|
| Instance type | r8g.4xlarge.search |
| Family | r8g |
| Category | Memory optimized |
| Current generation | Yes |
| Other | Value |
|---|---|
| Hardware Basis | r8g.4xlarge |
Compare r8g.4xlarge.search
Compute and memory optimized
With or without local disk and networking
Other generations
Other r8g sizes
| Size | vCPUs | Memory (GiB) | On-demand /hr |
|---|---|---|---|
| r8g.medium.search | 1 | 8 | $0.098 |
| r8g.large.search | 2 | 16 | $0.196 |
| r8g.xlarge.search | 4 | 32 | $0.392 |
| r8g.2xlarge.search | 8 | 64 | $0.783 |
| r8g.4xlarge.search | 16 | 128 | $1.565 |
| r8g.8xlarge.search | 32 | 256 | $3.13 |
| r8g.12xlarge.search | 48 | 384 | $4.694 |
| r8g.16xlarge.search | 64 | 512 | $6.259 |
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS OpenSearch sizes.