r8i.16xlarge
The r8i.16xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.
Last updated at Tue Apr 28 2026
Instance Info
| Compute | Value |
| vCPUs | 64 |
| Memory | 512 GiB |
| Physical Processor | Intel Xeon Scalable (Granite Rapids) |
| Clock Speed | 3.9 GHz |
| CPU Architecture | 64-bit |
| GPU Memory | NA |
| Network | Value |
| Network Performance | 30000 Megabit |
| Enhanced Networking | Yes |
| Storage | Value |
| Storage | EBS only |
| EBS Throughput | 20000 Mbps |
| Amazon | Value |
| Current Generation | Yes |
| Instance Type | r8i.16xlarge |
| Family | Memory optimized |
Family Instances
| Instance | vCPUs | Memory |
|---|---|---|
| r8i.large | 2 | 16 |
| r8i.xlarge | 4 | 32 |
| r8i.2xlarge | 8 | 64 |
| r8i.4xlarge | 16 | 128 |
| r8i.8xlarge | 32 | 256 |
| r8i.12xlarge | 48 | 384 |
| r8i.16xlarge | 64 | 512 |
| r8i.24xlarge | 96 | 768 |
| r8i.32xlarge | 128 | 1024 |
| r8i.48xlarge | 192 | 1536 |
| r8i.96xlarge | 384 | 3072 |
Related Instances
| Instance | vCPUs | Memory |
|---|---|---|
| i8g.16xlarge | 64 | 512 GiB |
| i4g.16xlarge | 64 | 512 GiB |
| g6e.16xlarge | 64 | 512 GiB |
| i7i.16xlarge | 64 | 512 GiB |
| i4i.16xlarge | 64 | 512 GiB |
Best Amazon EC2 Alternatives For Scalable Cloud Infrastructure
Looking for scalable cloud computing like Amazon EC2, but with less cost and complexity? Explore the best EC2 alternatives available now.
Read more
EC2 Instance Types 101: The Definitive Guide For 2025
Amazon EC2 provides highly scalable compute capacity for a variety of purposes. This guide will cover the different instance types and when to use each.
Read more
AWS Instance Types Compared: Choosing The Right Option
AWS instances are available in a multitude of capabilities. Learn more about how each instance type works and which is best for your needs.
Read more