c7i-flex.4xlarge
c7i-flex.4xlarge is an AWS EC2 instance with 16 vCPUs, 32 GiB memory (Intel Xeon Scalable (Sapphire Rapids)). In US East (N. Virginia) it costs $0.6783 per hour on demand ($495.16 per month) for Linux; a 1-year reserved instance with no upfront costs $0.4487 per hour, 34% less. Spot capacity is about $0.2289 per hour. It is sold in 30 regions; the cheapest is Asia Pacific (Malaysia) at $0.6648 per hour.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.
| Region | On-demand | Spot | 1-yr reserved | 3-yr reserved | 1-yr savings plan | 3-yr savings plan |
|---|---|---|---|---|---|---|
| Asia Pacific (Malaysia) ap-southeast-5 | $0.6648 | $0.1996 | $0.4412 | $0.3016 | $0.5046 | $0.3443 |
| Asia Pacific (Thailand) ap-southeast-7 | $0.6648 | $0.1815 | $0.4412 | $0.3016 | $0.5046 | $0.3443 |
| Asia Pacific (Mumbai) ap-south-1 | $0.6783 | $0.2369 | $0.4491 | $0.3076 | $0.5169 | $0.3533 |
| Asia Pacific (Hyderabad) ap-south-2 | $0.6783 | $0.1055 | $0.4487 | $0.3077 | $0.5273 | $0.3522 |
| US East (N. Virginia) us-east-1 | $0.6783 | $0.2289 | $0.4487 | $0.2986 | $0.4902 | $0.3275 |
| US East (Ohio) us-east-2 | $0.6783 | $0.2002 | $0.4487 | $0.2986 | $0.4902 | $0.3275 |
| US West (Oregon) us-west-2 | $0.6783 | $0.2476 | $0.4487 | $0.2986 | $0.4902 | $0.3275 |
| Mexico (Central) mx-central-1 | $0.7122 | – | $0.4711 | $0.3136 | $0.5146 | $0.3438 |
| EU (Stockholm) eu-north-1 | $0.7262 | $0.135 | $0.4804 | $0.3293 | $0.5292 | $0.3639 |
| Europe (Spain) eu-south-2 | $0.7276 | $0.0864 | $0.4817 | $0.3318 | $0.5561 | $0.3802 |
| EU (Ireland) eu-west-1 | $0.7278 | $0.398 | $0.4817 | $0.3319 | $0.5561 | $0.3803 |
| Canada (Central) ca-central-1 | $0.7421 | $0.3014 | $0.4927 | $0.3258 | $0.5631 | $0.3577 |
| Asia Pacific (Seoul) ap-northeast-2 | $0.7661 | $0.1945 | $0.5061 | $0.3482 | $0.5832 | $0.3999 |
| Asia Pacific (Taipei) ap-east-2 | $0.7685 | – | – | – | $0.5834 | $0.4001 |
| EU (Frankfurt) eu-central-1 | $0.7741 | $0.3532 | $0.5103 | $0.3511 | $0.5891 | $0.4016 |
| Asia Pacific (Jakarta) ap-southeast-3 | $0.782 | $0.0782 | $0.5191 | $0.3547 | $0.5936 | $0.405 |
| Asia Pacific (Singapore) ap-southeast-1 | $0.7822 | $0.2962 | $0.5192 | $0.3548 | $0.5937 | $0.4052 |
| EU (Milan) eu-south-1 | $0.806 | $0.1762 | $0.5332 | $0.3656 | $0.6129 | $0.4217 |
| EU (London) eu-west-2 | $0.806 | $0.2145 | $0.532 | $0.3662 | $0.61 | $0.4198 |
| EU (Paris) eu-west-3 | $0.806 | $0.3125 | $0.532 | $0.3662 | $0.6141 | $0.4205 |
| AWS GovCloud (US-West) us-gov-west-1 | $0.814 | – | $0.5385 | $0.3406 | $0.5915 | $0.3728 |
| Middle East (UAE) me-central-1 | $0.8151 | $0.0931 | $0.5396 | $0.3716 | $0.6229 | $0.4259 |
| US West (N. California) us-west-1 | $0.8459 | $0.2979 | $0.5587 | $0.3846 | $0.6454 | $0.4448 |
| Europe (Zurich) eu-central-2 | $0.8515 | $0.1874 | $0.5633 | $0.3863 | $0.6757 | $0.4857 |
| Asia Pacific (Tokyo) ap-northeast-1 | $0.8539 | $0.2974 | $0.5631 | $0.3891 | $0.6482 | $0.4445 |
| Asia Pacific (Hong Kong) ap-east-1 | $0.8618 | – | $0.5701 | $0.3909 | $0.6548 | $0.4459 |
| Asia Pacific (Sydney) ap-southeast-2 | $0.8858 | $0.3766 | $0.5849 | $0.4024 | $0.6494 | $0.4568 |
| Africa (Cape Town) af-south-1 | $0.9097 | $0.2188 | $0.5731 | $0.393 | $0.7206 | $0.5011 |
| Asia Pacific (New Zealand) ap-southeast-6 | $0.9301 | – | – | – | $0.6819 | $0.4796 |
| South America (Sao Paulo) sa-east-1 | $1.045 | $0.2408 | $0.6904 | $0.4748 | $0.796 | $0.5421 |
Prices by operating system in US East (N. Virginia)
| Operating system | On-demand /hr | 1-yr reserved /hr | 3-yr reserved /hr |
|---|---|---|---|
| Linux | $0.6783 | $0.4487 | $0.2986 |
| Ubuntu Pro | $0.7063 | – | – |
| SUSE | $0.8033 | $0.5086 | $0.3526 |
| RHEL | $0.8511 | $0.6215 | $0.4714 |
| Linux SQL Web | $0.9487 | $0.7191 | $0.569 |
| RHEL HA | $1.075 | $0.8455 | $0.6954 |
| RHEL SQL Web | $1.121 | – | – |
| Windows | $1.377 | $1.148 | $0.9978 |
| Windows SQL Web | $1.648 | $1.418 | $1.268 |
| Linux SQL Std | $2.598 | $2.369 | $2.219 |
| RHEL SQL Std | $2.771 | – | – |
| RHEL HA SQL Std | $2.995 | – | – |
| Windows SQL Std | $3.297 | $3.068 | $2.918 |
| Linux SQL Ent | $6.678 | $6.449 | $6.299 |
| RHEL SQL Ent | $6.851 | – | – |
| RHEL HA SQL Ent | $7.075 | – | – |
| Windows SQL Ent | $7.378 | $7.148 | $6.998 |
Specs
| Compute | Value |
|---|---|
| vCPUs | 16 |
| Physical cores | 8 |
| Threads per core | 2 |
| Architecture | x86_64 |
| Processor | Intel Xeon Scalable (Sapphire Rapids) |
| CPU maker | Intel |
| Clock speed | 3.2 GHz |
| Sustained clock | 3.2 GHz |
| Processor features | Intel AMX; Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo |
| Burstable | No |
| Memory | Value |
|---|---|
| Memory (GiB) | 32 |
| Networking | Value |
|---|---|
| Network | Up to 12.5 Gbps |
| Network baseline | 3.125 Gbps |
| Network peak | 12.5 Gbps |
| Enhanced networking | Yes (ENA) |
| EFA | No |
| IPv6 | Yes |
| Max network interfaces | 8 |
| IPv4 addresses per interface | 30 |
| 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 | c7i-flex.4xlarge |
| Family | c7i-flex |
| Category | Compute 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 c7i-flex.4xlarge
With or without local disk and networking
Compute and memory optimized
Other generations
Other c7i-flex sizes
| Size | vCPUs | Memory (GiB) | On-demand /hr |
|---|---|---|---|
| c7i-flex.large | 2 | 4 | $0.0848 |
| c7i-flex.xlarge | 4 | 8 | $0.1696 |
| c7i-flex.2xlarge | 8 | 16 | $0.3392 |
| c7i-flex.4xlarge | 16 | 32 | $0.6783 |
| c7i-flex.8xlarge | 32 | 64 | $1.357 |
| c7i-flex.12xlarge | 48 | 96 | $2.035 |
| c7i-flex.16xlarge | 64 | 128 | $2.713 |
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances.