db.r5d.8xlarge is an Amazon Neptune size with 32 vCPUs, 256 GiB memory (Intel Xeon Platinum 8175). In US East (N. Virginia) it costs $6.363 per hour on demand ($4,645.28 per month) for Standard storage. It is sold in 29 regions.
Prices by region
USD per hour, Standard storage. Reserved prices are no upfront, standard. Cheapest on-demand first.