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The r6a.4xlarge is a memory optimised instance in the r6a family with 16 vCPU and 128 GiB of memory on AMD EPYC 7R13. It costs $662.26 a month on-demand in us-east-1 (N. Virginia) and is offered in 13 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 $15,773 a year
Reserved capacity is billed every hour of the month whether it runs or not. A 1-yr reservation is cheaper once these run more than 16 h a day.
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.
133.8g CO₂ an hour in us-east-1
97.7 kg a month. Grid 322 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 6× the cleanest.
| $417.56 | $41.76 | 90% | 294 | |
| $417.56 | $151.55 | 64% | 294 | |
| $662.26 | $224.11 | 66% | 134 | |
| $662.26 | $200.68 | 70% | 197 | |
| $662.26 | $279.52 | 58% | 85 | |
| $725.33 | $248.86 | 66% | 54 | |
| $735.84 | $205.93 | 72% | 83 | |
| $741.10 | $356.61 | 52% | 131 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r6a.4xlarge?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