db.r8g.xlarge

db.r8g.xlarge is an AWS RDS size with 4 vCPUs, 32 GiB memory. In US East (N. Virginia) it costs $0.478 per hour on demand ($348.94 per month) for PostgreSQL, Single-AZ; a 1-year reserved instance with no upfront costs $0.32 per hour, 33% less. It is sold in 27 regions.

Prices by region

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

RegionOn-demand1-yr reserved3-yr reserved1-yr savings plan
US East (N. Virginia) us-east-1$0.478$0.32$0.2246$0.3824
US East (Ohio) us-east-2$0.478$0.32$0.2246$0.3824
US West (Oregon) us-west-2$0.478$0.32$0.2246$0.3824
Asia Pacific (Malaysia) ap-southeast-5$0.488$0.3269$0.2293$0.3904
EU (Stockholm) eu-north-1$0.49$0.328$0.2303$0.392
Mexico (Central) mx-central-1$0.502$0.3363$0.2359$0.4016
Canada (Central) ca-central-1$0.516$0.3457$0.2425$0.4128
Europe (Spain) eu-south-2$0.536$0.359$0.2519$0.4288
EU (Ireland) eu-west-1$0.536$0.359$0.2519$0.4288
US West (N. California) us-west-1$0.536$0.3591$0.2519$0.4288
Asia Pacific (Mumbai) ap-south-1$0.544$0.364$0.2556$0.4352
Asia Pacific (Hyderabad) ap-south-2$0.544$0.3644$0.2556$0.4352
EU (London) eu-west-2$0.561$0.3758$0.2636$0.4488
EU (Paris) eu-west-3$0.561$0.3758$0.2636$0.4488
Asia Pacific (Tokyo) ap-northeast-1$0.574$0.385$0.2697$0.4592
Asia Pacific (Seoul) ap-northeast-2$0.574$0.3845$0.2697$0.4592
Asia Pacific (Osaka) ap-northeast-3$0.574$0.3845$0.2697$0.4592
Asia Pacific (Singapore) ap-southeast-1$0.574$0.3845$0.2697$0.4592
Asia Pacific (Sydney) ap-southeast-2$0.574$0.385$0.2697$0.4592
Asia Pacific (Jakarta) ap-southeast-3$0.574$0.3845$0.2697$0.4592
Asia Pacific (Melbourne) ap-southeast-4$0.574$0.3845$0.2697$0.4592
AWS GovCloud (US-East) us-gov-east-1$0.574–––
AWS GovCloud (US-West) us-gov-west-1$0.574$0.385–$0.4592
EU (Frankfurt) eu-central-1$0.582$0.39$0.2735$0.4656
Asia Pacific (Hong Kong) ap-east-1$0.631$0.4227$0.2965$0.5048
Europe (Zurich) eu-central-2$0.64$0.4288$0.3008$0.512
South America (Sao Paulo) sa-east-1$0.76$0.5092$0.3572$0.608

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

OptionOn-demand /hr1-yr reserved /hr3-yr reserved /hr
PostgreSQL · Single-AZ$0.478$0.32$0.2246
PostgreSQL · Multi-AZ$0.956$0.641$0.4493
MariaDB · Single-AZ$0.478$0.32$0.2246
MySQL · Single-AZ$0.478$0.32$0.2246
Aurora MySQL · Single-AZ$0.552$0.37$0.2594
Aurora PostgreSQL · Single-AZ$0.552$0.37$0.2594
Aurora MySQL I/O Optimized · Single-AZ$0.718––
Aurora PostgreSQL I/O Optimized · Single-AZ$0.718––
MariaDB · Multi-AZ$0.956$0.641$0.4493
MySQL · Multi-AZ$0.956$0.641$0.4493

Specs

ComputeValue
vCPUs4
Physical cores4
Threads per core1
Architecturearm64
CPU makerAWS
Sustained clock2.8 GHz
BurstableNo
MemoryValue
Memory (GiB)32
NetworkingValue
Network baseline1.875 Gbps
Network peak12.5 Gbps
StorageValue
EBS baseline bandwidth1,250 Mbps
EBS max bandwidth10,000 Mbps
EBS baseline throughput156.25 MB/s
EBS max throughput1,250 MB/s
EBS baseline IOPS6,000
EBS max IOPS40,000
Instance detailsValue
Instance typedb.r8g.xlarge
Familyr8g
Normalization factor8
OtherValue
Hardware Basisr8g.xlarge

Compare db.r8g.xlarge

Compute and memory optimized

With or without local disk and networking

Other processors

Other generations

Other r8g sizes

SizevCPUsMemory (GiB)On-demand /hr
db.r8g.large216$0.239
db.r8g.xlarge432$0.478
db.r8g.2xlarge864$0.956
db.r8g.4xlarge16128$1.912
db.r8g.8xlarge32256$3.824
db.r8g.12xlarge48384$5.736
db.r8g.16xlarge64512$7.648
db.r8g.24xlarge96768$11.472
db.r8g.48xlarge1921536$22.944

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