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The r8a.xlarge is a memory optimised instance in the r8a family with 4 vCPU and 32 GiB of memory on AMD EPYC 9R45. It costs $233.25 a month on-demand in us-east-1 (N. Virginia) and is offered in 9 regions.
The list price has not changed in this window. Spot moves with demand and is read every few minutes.
First year, 3 instances
Spot saves $5,785 a year
Reserved capacity is billed every hour of the month whether it runs or not.
Bars are on-demand per hour; the teal mark is spot. Price per vCPU is the same at every size, so pick the size that fits.
10.9g CO₂ an hour in us-east-1
8 kg a month. Grid 322 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 4× the cleanest.
| $233.25 | $82.86 | 64% | 7 | |
| $233.25 | $72.56 | 69% | 11 | |
| $233.25 | $54.02 | 77% | 16 | |
| $253.24 | $73.00 | 71% | 15 | |
| $255.46 | $87.53 | 66% | 4 | |
| $261.00 | $125.34 | 52% | 11 | |
| $261.00 | $26.13 | 90% | 5 | |
| $281.37 | $103.66 | 63% | 11 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r8a.xlarge?region=us-east-1"
List prices from AWS in US dollars, before discounts, credits and taxes. A month is 730 hours, a year 8,760. AWS pricing page