n4d-highmem-64 is a GCP Compute Engine machine type with 64 vCPUs, 512 GiB memory (AMD EPYC Turin). In Iowa it costs $3.558 per hour on demand ($2,597.19 per month) for Linux; a 1-year committed use discount costs $2.241 per hour, 37% less. Spot capacity is about $2.134 per hour. It is sold in 17 regions; the cheapest is Mumbai at $2.706 per hour.
Prices by region
USD per hour, Linux. Committed use prices are billed monthly. Cheapest on-demand first.