db.r4.xlarge

db.r4.xlarge is an AWS RDS size with 4 vCPUs, 30.5 GiB memory. In US East (N. Virginia) it costs $0.5 per hour on demand ($365.00 per month) for PostgreSQL, Single-AZ. It is sold in 18 regions.

Prices by region

USD per hour, PostgreSQL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.

RegionOn-demand
US East (N. Virginia) us-east-1$0.5
US East (Ohio) us-east-2$0.5
US West (Oregon) us-west-2$0.5
Canada (Central) ca-central-1$0.5405
EU (Ireland) eu-west-1$0.56
US West (N. California) us-west-1$0.56
Asia Pacific (Mumbai) ap-south-1$0.57
EU (London) eu-west-2$0.588
EU (Paris) eu-west-3$0.588
Asia Pacific (Tokyo) ap-northeast-1$0.6
Asia Pacific (Seoul) ap-northeast-2$0.6
Asia Pacific (Osaka) ap-northeast-3$0.6
Asia Pacific (Singapore) ap-southeast-1$0.6
Asia Pacific (Sydney) ap-southeast-2$0.6
AWS GovCloud (US-East) us-gov-east-1$0.602
AWS GovCloud (US-West) us-gov-west-1$0.602
EU (Frankfurt) eu-central-1$0.61
South America (Sao Paulo) sa-east-1$1.047

Prices by engine and deployment in US East (N. Virginia)

OptionOn-demand /hr1-yr reserved /hr3-yr reserved /hr
PostgreSQL · Single-AZ$0.5––
PostgreSQL · Multi-AZ$1.00––
MariaDB · Single-AZ$0.48––
MySQL · Single-AZ$0.48––
Oracle Enterprise BYOL · Single-AZ$0.48––
Oracle Standard Two BYOL · Single-AZ$0.48––
Aurora MySQL · Single-AZ$0.58––
Aurora PostgreSQL · Single-AZ$0.58––
SQL Server Web · Single-AZ$0.88––
MariaDB · Multi-AZ$0.96––
MySQL · Multi-AZ$0.96––
Oracle Enterprise BYOL · Multi-AZ$0.96––
Oracle Standard Two BYOL · Multi-AZ$0.96––
Oracle Standard Two · Single-AZ$0.9784––
SQL Server Standard · Single-AZ$1.52––
Oracle Standard Two · Multi-AZ$1.957––
SQL Server Enterprise · Single-AZ$2.501––
SQL Server Standard · Multi-AZ$3.04––
SQL Server Enterprise · Multi-AZ$5.002––

Specs

ComputeValue
vCPUs4
Physical cores2
Threads per core2
CPU makerIntel
Sustained clock2.3 GHz
BurstableNo
MemoryValue
Memory (GiB)30.5
NetworkingValue
Network baseline1.25 Gbps
Network peak10 Gbps
StorageValue
EBS baseline bandwidth850 Mbps
EBS max bandwidth850 Mbps
EBS baseline throughput106.25 MB/s
EBS max throughput106.25 MB/s
EBS baseline IOPS6,000
EBS max IOPS6,000
Instance detailsValue
Instance typedb.r4.xlarge
Familyr4
Normalization factor8
OtherValue
Hardware Basisr4.xlarge

Compare db.r4.xlarge

Compute and memory optimized

vs db.m4.xlarge

Other generations

vs db.r3.xlargevs db.r5.xlargevs db.r5.xlarge.tpc2.mem2xvs db.r5.xlarge.tpc2.mem4x

Other r4 sizes

SizevCPUsMemory (GiB)On-demand /hr
db.r4.large215.25$0.25
db.r4.xlarge430.5$0.5
db.r4.2xlarge861$1.00
db.r4.4xlarge16122$2.00
db.r4.8xlarge32244$4.00
db.r4.16xlarge64488$8.00

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes.