Instances AWS RDS db.m8gd.16xlarge db.m8gd.16xlarge
db.m8gd.16xlarge is an AWS RDS size with 64 vCPUs, 256 GiB memory. In US East (N. Virginia) it costs $6.323 per hour on demand ($4,615.94 per month) for PostgreSQL, Single-AZ; a 1-year Database Savings Plan costs $5.059 per hour, 20% less. It is sold in 12 regions.
USD per hour, PostgreSQL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.
Prices by engine and deployment in US East (N. Virginia) Option On-demand /hr 1-yr reserved /hr 3-yr reserved /hr PostgreSQL · Single-AZ $6.323 – – PostgreSQL · Multi-AZ $12.646 – – PostgreSQL · Multi-AZ (readable standbys) $18.97 – – MariaDB · Single-AZ $6.323 – – MySQL · Single-AZ $6.323 – – MariaDB · Multi-AZ $12.646 – – MySQL · Multi-AZ $12.646 – – MySQL · Multi-AZ (readable standbys) $18.97 – –
Compute Value vCPUs 64 Physical cores 64 Threads per core 1 Architecture arm64 CPU maker AWS Sustained clock 2.8 GHz Burstable No
Memory Value Memory (GiB) 256
Networking Value Network 20 Gbps Network baseline 30 Gbps Network peak 30 Gbps
Storage Value Storage 2 x 1900 NVMe SSD Local disks 2 × 1,900 GB SSD EBS baseline bandwidth 20,000 Mbps EBS max bandwidth 20,000 Mbps EBS baseline throughput 2,500 MB/s EBS max throughput 2,500 MB/s EBS baseline IOPS 80,000 EBS max IOPS 80,000
Instance details Value Instance type db.m8gd.16xlarge Family m8gd Category Memory optimized Current generation Yes Normalization factor 128
Other Value Hardware Basis m8gd.16xlarge
With or without local disk and networking
Compute and memory optimized
Other generations
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes .