Instances AWS RDS db.r5.12xlarge db.r5.12xlarge
db.r5.12xlarge is an AWS RDS size with 48 vCPUs, 384 GiB memory. In US East (N. Virginia) it costs $6.00 per hour on demand ($4,380.00 per month) for PostgreSQL, Single-AZ; a 1-year reserved instance with no upfront costs $3.465 per hour, 42% less. It is sold in 31 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 $6.00 $3.465 – PostgreSQL · Multi-AZ $12.00 $6.93 – Oracle Enterprise BYOL · Single-AZ $5.592 $3.235 – MariaDB · Single-AZ $5.76 $3.326 – MySQL · Single-AZ $5.76 $3.326 – Oracle Enterprise BYOL BYOM Custom · Single-AZ $6.71 – – Aurora MySQL · Single-AZ $6.96 $4.53 – Aurora PostgreSQL · Single-AZ $6.96 $4.53 – SQL Server Developer BYOM Custom · Single-AZ $8.928 – – SQL Server Enterprise BYOM Custom · Single-AZ $8.928 – – SQL Server Standard BYOM Custom · Single-AZ $8.928 – – Aurora MySQL I/O Optimized · Single-AZ $9.048 – – Aurora PostgreSQL I/O Optimized · Single-AZ $9.048 – – Oracle Enterprise BYOL · Multi-AZ $11.184 $6.469 – MariaDB · Multi-AZ $11.52 $6.653 – MySQL · Multi-AZ $11.52 $6.653 – Oracle Enterprise BYOL BYOM Custom · Multi-AZ $13.421 – – SQL Server Developer BYOM Custom · Multi-AZ $17.856 – – SQL Server Enterprise BYOM Custom · Multi-AZ $17.856 – – SQL Server Standard BYOM Custom · Multi-AZ $17.856 – – SQL Server Standard · Single-AZ $18.24 $17.237 – SQL Server Standard Custom · Single-AZ $21.158 $19.677 – SQL Server Enterprise · Single-AZ $30.012 $29.937 – SQL Server Standard · Multi-AZ $36.48 $34.474 – SQL Server Enterprise Custom · Single-AZ $38.726 $36.016 – SQL Server Standard Custom · Multi-AZ $42.317 – – SQL Server Enterprise · Multi-AZ $43.21 – – SQL Server Enterprise Custom · Multi-AZ $55.757 – –
Compute Value vCPUs 48 Physical cores 24 Threads per core 2 CPU maker Intel Sustained clock 3.1 GHz Burstable No
Memory Value Memory (GiB) 384
Networking Value Network baseline 12 Gbps Network peak 12 Gbps
Storage Value Storage EBS Only EBS baseline bandwidth 9,500 Mbps EBS max bandwidth 9,500 Mbps EBS baseline throughput 1,187.5 MB/s EBS max throughput 1,187.5 MB/s EBS baseline IOPS 40,000 EBS max IOPS 40,000
Instance details Value Instance type db.r5.12xlarge Family r5 Category Memory optimized
Other Value Hardware Basis r5.12xlarge
Compute and memory optimized
With or without local disk and networking
Other generations
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes .