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The r5a.16xlarge is a memory optimised instance in the r5a family with 64 vCPU and 512 GiB of memory on AMD EPYC 7571. It costs $2,639.68 a month on-demand in us-east-1 (N. Virginia) and is offered in 16 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 $68,438 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.
8,412.8g CO₂ an hour in us-east-1
6,141.3 kg a month. Grid 322 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 15× the cleanest.
| $1,670.24 | $923.38 | 45% | 18,475 | |
| $2,639.68 | $947.10 | 64% | 5,340 | |
| $2,639.68 | $738.61 | 72% | 8,413 | |
| $2,639.68 | $795.63 | 70% | 12,404 | |
| $2,896.64 | $432.53 | 85% | 3,392 | |
| $2,943.36 | $780.73 | 73% | 5,208 | |
| $2,966.72 | $1,347.80 | 55% | 8,246 | |
| $3,106.88 | $425.81 | 86% | 1,357 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r5a.16xlarge?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