Instances AWS RDS db.r6idn.4xlarge db.r6idn.4xlarge
db.r6idn.4xlarge is an AWS RDS size with 16 vCPUs, 128 GiB memory. In US East (N. Virginia) it costs $3.101 per hour on demand ($2,263.73 per month) for PostgreSQL, Single-AZ; a 1-year reserved instance with no upfront costs $2.388 per hour, 23% less. It is sold in 5 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 $3.101 $2.388 – PostgreSQL · Multi-AZ $6.203 $4.776 – PostgreSQL · Multi-AZ (readable standbys) $9.304 – – Db2 Standard · Single-AZ $3.101 $2.388 – Db2 Standard BYOL · Single-AZ $3.101 $2.388 – MariaDB · Single-AZ $3.101 $2.388 – MySQL · Single-AZ $3.101 $2.388 – Db2 Advanced · Single-AZ $3.104 $2.39 – Db2 Advanced BYOL · Single-AZ $3.104 $2.39 – Db2 Standard · Multi-AZ $6.203 $4.776 – Db2 Standard BYOL · Multi-AZ $6.203 $4.776 – MariaDB · Multi-AZ $6.203 $4.776 – MySQL · Multi-AZ $6.203 $4.776 – Db2 Advanced · Multi-AZ $6.208 $4.78 – Db2 Advanced BYOL · Multi-AZ $6.208 $4.78 – MySQL · Multi-AZ (readable standbys) $9.304 – –
Compute Value vCPUs 16 Physical cores 8 Threads per core 2 CPU maker Intel Sustained clock 3.5 GHz Burstable No
Memory Value Memory (GiB) 128
Networking Value Network baseline 25 Gbps Network peak 50 Gbps
Storage Value Local disks 1 × 950 GB SSD EBS baseline bandwidth 12,500 Mbps EBS max bandwidth 25,000 Mbps EBS baseline throughput 1,562.5 MB/s EBS max throughput 3,125 MB/s EBS baseline IOPS 50,000 EBS max IOPS 100,000
Instance details Value Instance type db.r6idn.4xlarge Family r6idn Normalization factor 32
Other Value Hardware Basis r6idn.4xlarge
With or without local disk and networking
Compute and memory optimized
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes .