m8g family

The m8g family has 9 sizes on AWS RDS, from 2 to 192 vCPUs and 8 to 768 GiB of memory. In US East (N. Virginia), on-demand prices run $0.168 to $16.128 per hour for PostgreSQL, Single-AZ. It is sold in 23 regions and listed as Arm (Graviton) and general purpose.

Sizes and prices in US East (N. Virginia)

TypevCPUsMemory (GiB)On-demand /hr1-yr reserved /hr
db.m8g.large28$0.168$0.113
db.m8g.xlarge416$0.336$0.225
db.m8g.2xlarge832$0.672$0.45
db.m8g.4xlarge1664$1.344$0.9
db.m8g.8xlarge32128$2.688$1.801
db.m8g.12xlarge48192$4.032$2.701
db.m8g.16xlarge64256$5.376$3.602
db.m8g.24xlarge96512$8.064$5.403
db.m8g.48xlarge192768$16.128$10.806

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Prices in USD per hour for PostgreSQL, Single-AZ; reserved prices are 1 year, no upfront. Updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes.