r8i-flex.4xlarge
r8i-flex.4xlarge is an AWS EC2 instance with 16 vCPUs, 128 GiB memory (Intel Xeon Scalable (Granite Rapids)). In US East (N. Virginia) it costs $1.056 per hour on demand ($770.73 per month) for Linux. Spot capacity is about $0.2847 per hour. It is sold in 27 regions.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.
| Region | On-demand | Spot | 1-yr savings plan | 3-yr savings plan |
|---|---|---|---|---|
| US East (N. Virginia) us-east-1 | $1.056 | $0.2847 | $0.7649 | $0.5507 |
| US East (Ohio) us-east-2 | $1.056 | $0.2171 | $0.7649 | $0.5507 |
| US West (Oregon) us-west-2 | $1.056 | $0.3311 | $0.7649 | $0.5507 |
| Asia Pacific (Malaysia) ap-southeast-5 | $1.083 | $0.3189 | $0.7843 | $0.5647 |
| Asia Pacific (Mumbai) ap-south-1 | $1.089 | $0.2609 | $0.7874 | $0.5656 |
| Asia Pacific (Hyderabad) ap-south-2 | $1.089 | $0.1089 | $0.7857 | $0.5655 |
| EU (Stockholm) eu-north-1 | $1.123 | $0.1123 | $0.8135 | $0.5857 |
| Canada (Central) ca-central-1 | $1.156 | $0.3167 | $0.8358 | $0.6005 |
| Canada West (Calgary) ca-west-1 | $1.156 | $0.272 | $0.8358 | $0.6005 |
| US West (N. California) us-west-1 | $1.173 | $0.2998 | $0.8499 | $0.6119 |
| Europe (Spain) eu-south-2 | $1.181 | $0.1286 | $0.856 | $0.6163 |
| EU (Ireland) eu-west-1 | $1.181 | $0.4872 | $0.856 | $0.6163 |
| EU (Milan) eu-south-1 | $1.24 | $0.259 | $0.8984 | $0.6469 |
| EU (London) eu-west-2 | $1.24 | $0.2989 | $0.8974 | $0.647 |
| EU (Paris) eu-west-3 | $1.24 | $0.2163 | $0.8974 | $0.647 |
| Asia Pacific (Sydney) ap-southeast-2 | $1.265 | $0.412 | $0.915 | $0.6563 |
| AWS GovCloud (US-East) us-gov-east-1 | $1.265 | – | $0.9167 | $0.66 |
| AWS GovCloud (US-West) us-gov-west-1 | $1.265 | – | $0.9167 | $0.66 |
| Asia Pacific (Tokyo) ap-northeast-1 | $1.274 | $0.4035 | $0.9227 | $0.6644 |
| Asia Pacific (Seoul) ap-northeast-2 | $1.274 | $0.2482 | $0.9238 | $0.6617 |
| Asia Pacific (Singapore) ap-southeast-1 | $1.274 | $0.4323 | $0.9227 | $0.6644 |
| EU (Frankfurt) eu-central-1 | $1.274 | $0.4176 | $0.9227 | $0.6644 |
| Middle East (UAE) me-central-1 | $1.30 | $0.1516 | $0.9416 | $0.6779 |
| Asia Pacific (New Zealand) ap-southeast-6 | $1.329 | – | $0.9607 | $0.6891 |
| Europe (Zurich) eu-central-2 | $1.401 | $0.2659 | $1.015 | $0.7308 |
| Africa (Cape Town) af-south-1 | $1.408 | $0.3453 | $1.02 | $0.7343 |
| South America (Sao Paulo) sa-east-1 | $1.684 | $0.1982 | $1.218 | $0.8733 |
Prices by operating system in US East (N. Virginia)
| Operating system | On-demand /hr | 1-yr reserved /hr | 3-yr reserved /hr |
|---|---|---|---|
| Linux | $1.056 | – | – |
| Ubuntu Pro | $1.084 | – | – |
| SUSE | $1.181 | – | – |
| RHEL | $1.229 | – | – |
| Linux SQL Web | $1.326 | – | – |
| RHEL HA | $1.453 | – | – |
| RHEL SQL Web | $1.499 | – | – |
| Windows | $1.755 | – | – |
| Windows SQL Web | $2.025 | – | – |
| Linux SQL Std | $2.976 | – | – |
| RHEL SQL Std | $3.149 | – | – |
| RHEL HA SQL Std | $3.373 | – | – |
| Windows SQL Std | $3.675 | – | – |
| Linux SQL Ent | $7.056 | – | – |
| RHEL SQL Ent | $7.229 | – | – |
| RHEL HA SQL Ent | $7.453 | – | – |
| Windows SQL Ent | $7.755 | – | – |
Specs
| Compute | Value |
|---|---|
| vCPUs | 16 |
| Physical cores | 8 |
| Threads per core | 2 |
| Architecture | x86_64 |
| Processor | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | Intel |
| Clock speed | 3.9 GHz |
| Sustained clock | 3.9 GHz |
| Processor features | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No |
| Memory | Value |
|---|---|
| Memory (GiB) | 128 |
| Networking | Value |
|---|---|
| Network | Up to 15 Gbps |
| Network baseline | 3.75 Gbps |
| Network peak | 15 Gbps |
| Enhanced networking | Yes (ENA) |
| EFA | No |
| IPv6 | Yes |
| Max network interfaces | 8 |
| IPv4 addresses per interface | 50 |
| Storage | Value |
|---|---|
| Storage | EBS only |
| EBS optimized | Yes |
| EBS over NVMe | Required |
| EBS throughput | Up to 10000 Mbps |
| EBS baseline bandwidth | 2,500 Mbps |
| EBS max bandwidth | 10,000 Mbps |
| EBS baseline throughput | 312.5 MB/s |
| EBS max throughput | 1,250 MB/s |
| EBS baseline IOPS | 12,000 |
| EBS max IOPS | 40,000 |
| Max EBS volumes | 32 |
| Instance details | Value |
|---|---|
| Instance type | r8i-flex.4xlarge |
| Family | r8i-flex |
| Category | Memory optimized |
| Current generation | Yes |
| Normalization factor | 32 |
| Bare metal | No |
| Hypervisor | Nitro |
| Placement groups | Partition, Spread |
| Hibernation | Yes |
| Nitro Enclaves | No |
| Boot modes | Legacy BIOS, UEFI |
Compare r8i-flex.4xlarge
Compute and memory optimized
With or without local disk and networking
Other r8i-flex sizes
| Size | vCPUs | Memory (GiB) | On-demand /hr |
|---|---|---|---|
| r8i-flex.large | 2 | 16 | $0.132 |
| r8i-flex.xlarge | 4 | 32 | $0.2639 |
| r8i-flex.2xlarge | 8 | 64 | $0.5279 |
| r8i-flex.4xlarge | 16 | 128 | $1.056 |
| r8i-flex.8xlarge | 32 | 256 | $2.111 |
| r8i-flex.12xlarge | 48 | 384 | $3.167 |
| r8i-flex.16xlarge | 64 | 512 | $4.223 |
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances.