db.r5b.4xlarge
The db.r5b.4xlarge is a aws rds instance type featuring multiple vCPUs and optimized memory, commonly used for rds workloads.
Last updated at Fri May 22 2026
Instance Info
| Compute | Value |
| vCPUs | 16 |
| Memory | 128 GiB |
| Storage | Value |
| Storage | EBS Only |
| Amazon | Value |
| Instance Type | db.r5b.4xlarge |
| Family | Memory optimized |
Family Instances
| Instance | vCPUs | Memory |
|---|---|---|
| db.r5b.large | 2 | 16 |
| db.r5b.large.tpc1.mem2x | 2 | 32 |
| db.r5b.xlarge | 4 | 32 |
| db.r5b.xlarge.tpc2.mem2x | 4 | 64 |
| db.r5b.xlarge.tpc2.mem4x | 4 | 128 |
| db.r5b.2xlarge | 8 | 64 |
| db.r5b.2xlarge.tpc1.mem2x | 8 | 128 |
| db.r5b.2xlarge.tpc2.mem4x | 8 | 256 |
| db.r5b.2xlarge.tpc2.mem8x | 8 | 512 |
| db.r5b.4xlarge | 16 | 128 |
| db.r5b.4xlarge.tpc2.mem2x | 16 | 256 |
| db.r5b.4xlarge.tpc2.mem3x | 16 | 384 |
| db.r5b.4xlarge.tpc2.mem4x | 16 | 512 |
| db.r5b.6xlarge.tpc2.mem4x | 24 | 768 |
| db.r5b.8xlarge | 32 | 256 |
| db.r5b.8xlarge.tpc2.mem3x | 32 | 768 |
| db.r5b.12xlarge | 48 | 384 |
| db.r5b.16xlarge | 64 | 512 |
| db.r5b.24xlarge | 96 | 768 |
Related Instances
| Instance | vCPUs | Memory |
|---|---|---|
| db.x2g.2xlarge | 8 | 128 GiB |
| db.m7i.8xlarge | 3216 | 128 GiB |
| db.z1d.3xlarge | 12 | 96 GiB |
| db.m8a.8xlarge | 16 | 128 GiB |
| db.m8i.8xlarge | 3216 | 128 GiB |
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