**Upgrade R3 to R4 where possible, do not use for new applications** The R4 family of instances provide a newer Intel Xeon processor, up to 488 GiB of RAM, are EBS optimized by default and support for Enhanced Networking with up to 25 Gbps offering lower latency, and low jitter.
| Size | vCPUs | Memory (GiB) |
|---|---|---|
| r3.large | 2 | 15 |
| r3.xlarge | 4 | 30 |
| r3.2xlarge | 8 | 61 |
| r3.4xlarge | 16 | 122 |
| r3.8xlarge | 32 | 244 |
| Compute | Value |
|---|---|
| vCPUs | 16 |
| Memory | 122 GiB |
| Physical Processor | Intel Xeon E5-2670 v2 (Ivy Bridge) |
| Clock Speed | 2.5 GHz |
| CPU Architecture | 64-bit |
| GPU | NA |
| GPU Memory | NA |
| Networking | Value |
|---|---|
| Network Performance | High |
| Enhanced Networking | Yes |
| Storage | Value |
|---|---|
| Storage | 1 x 320 SSD |
| EBS Throughput | NA |
| Amazon | Value |
|---|---|
| Current Generation | No |
| Instance Type | r3.4xlarge |
| Family | Memory optimized |