db.m6id.32xlarge is an AWS RDS size with 128 vCPUs, 512 GiB memory. In US East (N. Virginia) it costs $14.349 per hour on demand ($10,474.77 per month) for PostgreSQL, Single-AZ; a 1-year reserved instance with no upfront costs $11.048 per hour, 23% less. It is sold in 13 regions.
Prices by region
USD per hour, PostgreSQL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.