InstanceFinder / AWS / r5b.4xlarge
r5b.4xlarge
EC2 instance type · 16 vCPU · 128 GiB RAM · x86_64
On-demand
$1.1920/hr
Monthly
$870.16/mo
vCPU
16
Memory
128 GiB
The r5b.4xlarge is an EC2 instance type with 16 vCPUs and 128 GiB of memory (8 GiB per vCPU), on the x86_64 architecture. On-demand pricing starts at $1.1920/hr ($870.16/mo) in us-east-1. It is available in 13 AWS region(s). Not affiliated with AWS.
Pricing — on-demand, us-east-1
| Hourly (USD) | $1.1920 |
|---|---|
| Monthly (USD, 730 h) | $870.16 |
| Per vCPU-hour (USD) | $0.0745 |
| Per GiB-hour (USD) | $0.0093 |
Full specification
| Family | r5b |
|---|---|
| Size | 4xlarge |
| Generation | 5 |
| Current Generation | Yes |
| Bare Metal | No |
| Hypervisor | nitro |
| Free Tier | No |
| Burstable | No |
| Dedicated Hosts | Yes |
| Auto Recovery | Yes |
| Hibernation | No |
| Supported Usage | on-demand, spot |
| Spot Supported | Yes |
| Boot Modes | legacy-bios, uefi |
| Virt Types | hvm |
| Root Device Types | ebs |
| Nitro Enclaves | Yes |
| Nitro Tpm | Yes |
| Vcpu | 16 |
| Cores | 8 |
| Threads Per Core | 2 |
| Arch | x86_64 |
| Clock Ghz | 3.1 |
| Processor | Intel |
| Amd Sev | No |
| Memory Gi B | 128 |
| Net Perf Text | Up to 10 Gigabit |
| Net Peak Gbps | 10 |
| Net Base Gbps | 5 |
| Net Burstable | Yes |
| Net Cards | 1 |
| Max Eni | 8 |
| Ipv4 Per Eni | 30 |
| Ipv6 Per Eni | 30 |
| Ena | required |
| Ena Express | No |
| Efa | No |
| Encryption In Transit | No |
| Ebs Optimized | default |
| Ebs Encryption | supported |
| Ebs Nvme | required |
| Ebs Base Gbps | 10 |
| Ebs Peak Gbps | 10 |
| Ebs Base Iops | 43333 |
| Ebs Peak Iops | 43333 |
| Ebs Base M Bps | 1250 |
| Ebs Peak M Bps | 1250 |
| Valid Cores | 2, 4, 6, 8 |
| Valid Threads Per Core | 1, 2 |
| Placement Strategies | cluster, partition, spread |
| Phc Support | No |
| Ipv6 Supported | Yes |
| Instance Storage Supported | No |
| Nitro Tpm Versions | 2.0 |
| Mem Per Vcpu Gi B | 8 |
| Regions | ap-northeast-1, ap-northeast-2, ap-southeast-1, ap-southeast-2, ca-central-1, eu-central-1, eu-north-1, eu-west-1, eu-west-2, sa-east-1, us-east-1, us-east-2, us-west-2 |
| Region Count | 13 |
On-demand price shown for us-east-1, USD, refreshed 2026-07-23T21:04:02+00:00. Prices and availability vary by region and OS — use the interactive table for the rest.