n4a-highmem-64 is a GCP Compute Engine machine type with 64 vCPUs, 512 GiB memory (Google Axion). In Iowa it costs $3.235 per hour on demand ($2,361.26 per month) for Linux; a 1-year committed use discount costs $2.135 per hour, 34% less. Spot capacity is about $1.164 per hour. It is sold in 9 regions.
Prices by region
USD per hour, Linux. Committed use prices are billed monthly. Cheapest on-demand first.