r7iz.12xlarge
The r7iz.12xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.
Last updated at Fri May 15 2026
Instance Info
| Compute | Value |
| vCPUs | 48 |
| Memory | 384 GiB |
| Physical Processor | Intel Xeon Scalable (Sapphire Rapids) |
| Clock Speed | 3.9 GHz |
| CPU Architecture | 64-bit |
| GPU Memory | NA |
| Network | Value |
| Network Performance | 25000 Megabit |
| Enhanced Networking | Yes |
| Storage | Value |
| Storage | EBS only |
| EBS Throughput | 19000 Mbps |
| Amazon | Value |
| Current Generation | Yes |
| Instance Type | r7iz.12xlarge |
| Family | Memory optimized |
Family Instances
| Instance | vCPUs | Memory |
|---|---|---|
| r7iz.large | 2 | 16 |
| r7iz.xlarge | 4 | 32 |
| r7iz.2xlarge | 8 | 64 |
| r7iz.4xlarge | 16 | 128 |
| r7iz.8xlarge | 32 | 256 |
| r7iz.12xlarge | 48 | 384 |
| r7iz.16xlarge | 64 | 512 |
| r7iz.32xlarge | 128 | 1024 |
Related Instances
| Instance | vCPUs | Memory |
|---|---|---|
| i4i.12xlarge | 48 | 384 GiB |
| i3en.12xlarge | 48 | 384 GiB |
| i8ge.12xlarge | 48 | 384 GiB |
| g6e.12xlarge | 48 | 384 GiB |
| i8g.12xlarge | 48 | 384 GiB |
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