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The c8a.xlarge is a compute optimised instance in the c8a family with 4 vCPU and 8 GiB of memory on AMD EPYC 9R45. It costs $157.34 a month on-demand in us-east-1 (N. Virginia) and is offered in 7 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 $3,796 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.
7.5g CO₂ an hour in us-east-1
5.5 kg a month. Grid 322 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 3× the cleanest.
| $157.34 | $59.64 | 62% | 5 | |
| $157.34 | $34.24 | 78% | 11 | |
| $157.34 | $51.90 | 67% | 7 | |
| $168.79 | $26.21 | 84% | 4 | |
| $168.82 | $65.77 | 61% | 7 | |
| $179.57 | $67.74 | 62% | 8 | |
| $198.06 | $75.77 | 62% | 12 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/c8a.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