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The r8a.4xlarge is a memory optimised instance in the r8a family with 16 vCPU and 128 GiB of memory on AMD EPYC 9R45. It costs $1,012.95 a month on-demand in ap-east-2 (Taipei) 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 $25,499 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.
164.4g CO₂ an hour in ap-east-2
120 kg a month. Grid 442 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 4× the cleanest.
| $933.00 | $227.98 | 76% | 177 | |
| $933.00 | $259.30 | 72% | 76 | |
| $933.00 | $347.12 | 63% | 120 | |
| $1,012.95 | $304.63 | 70% | 164 | |
| $1,021.82 | $244.92 | 76% | 48 | |
| $1,044.02 | $483.63 | 54% | 118 | |
| $1,044.02 | $104.39 | 90% | 57 | |
| $1,125.48 | $424.64 | 62% | 126 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r8a.4xlarge?region=ap-east-2"
List prices from AWS in US dollars, before discounts, credits and taxes. A month is 730 hours, a year 8,760. AWS pricing page