r4 family
The r4 family has 6 sizes on AWS EC2, from 2 to 64 vCPUs and 15.25 to 488 GiB of memory. In US East (N. Virginia), on-demand prices run $0.133 to $4.256 per hour for Linux. It is sold in 17 regions and listed as memory optimized.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | Spot /hr | 1-yr reserved /hr |
|---|---|---|---|---|---|
| r4.large | 2 | 15.25 | $0.133 | $0.0353 | $0.084 |
| r4.xlarge | 4 | 30.5 | $0.266 | $0.0804 | $0.168 |
| r4.2xlarge | 8 | 61 | $0.532 | $0.126 | $0.336 |
| r4.4xlarge | 16 | 122 | $1.064 | $0.3079 | $0.672 |
| r4.8xlarge | 32 | 244 | $2.128 | $0.6055 | $1.344 |
| r4.16xlarge | 64 | 488 | $4.256 | $0.8698 | $2.688 |
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Categories
Regions
Asia Pacific (Tokyo)Asia Pacific (Seoul)Asia Pacific (Osaka)Asia Pacific (Mumbai)Asia Pacific (Singapore)Asia Pacific (Sydney)Canada (Central)EU (Frankfurt)EU (Ireland)EU (London)EU (Paris)South America (Sao Paulo)US East (N. Virginia)US East (Ohio)AWS GovCloud (US-West)US West (N. California)US West (Oregon)
Prices in USD per hour for Linux; reserved prices are 1 year, no upfront. Updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instance types.