im4gn.4xlarge is an AWS EC2 instance with 16 vCPUs, 64 GiB memory (AWS Graviton2 Processor). In US East (N. Virginia) it costs $1.455 per hour on demand ($1,062.30 per month) for Linux; a 1-year reserved instance with no upfront costs $0.9332 per hour, 36% less. Spot capacity is about $0.3298 per hour. It is sold in 14 regions.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.