hpc6a.48xlarge is an AWS EC2 instance with 96 vCPUs, 384 GiB memory (AMD EPYC 7R13 Processor). In Asia Pacific (Singapore) it costs $3.321 per hour on demand ($2,423.97 per month) for Linux; a 1-year reserved instance with no upfront costs $2.615 per hour, 21% less. It is sold in 6 regions; the cheapest is US East (Ohio) at $2.88 per hour.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.