db.r3.8xlarge

db.r3.8xlarge is an AWS RDS size with 32 vCPUs, 244 GiB memory. In US East (N. Virginia) it costs $3.98 per hour on demand ($2,905.40 per month) for PostgreSQL, Single-AZ. It is sold in 15 regions.

Prices by region

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

Region	On-demand
US East (N. Virginia) us-east-1	$3.98
US East (Ohio) us-east-2	$3.98
US West (Oregon) us-west-2	$3.98
EU (Ireland) eu-west-1	$4.435
US West (N. California) us-west-1	$4.435
Asia Pacific (Mumbai) ap-south-1	$4.535
Asia Pacific (Tokyo) ap-northeast-1	$4.775
Asia Pacific (Seoul) ap-northeast-2	$4.775
Asia Pacific (Singapore) ap-southeast-1	$4.775
Asia Pacific (Sydney) ap-southeast-2	$4.775
AWS GovCloud (US-West) us-gov-west-1	$4.776
EU (Frankfurt) eu-central-1	$4.79
Canada (Central) ca-central-1	$5.12
EU (London) eu-west-2	$5.44
South America (Sao Paulo) sa-east-1	$8.375

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	$3.98	–	–
PostgreSQL · Multi-AZ	$7.96	–	–
MariaDB · Single-AZ	$3.78	–	–
MySQL · Single-AZ	$3.78	–	–
Aurora MySQL · Single-AZ	$4.64	–	–
MariaDB · Multi-AZ	$7.56	–	–
MySQL · Multi-AZ	$7.56	–	–

Specs

Compute	Value
vCPUs	32
Physical cores	16
Threads per core	2
CPU maker	Intel
Sustained clock	2.5 GHz
Burstable	No

Memory	Value
Memory (GiB)	244

Networking	Value
Network baseline	5 Gbps
Network peak	10 Gbps

Storage	Value
Local disks	2 × 320 GB SSD

Instance details	Value
Instance type	db.r3.8xlarge
Family	r3
Normalization factor	64

Other	Value
Hardware Basis	r3.8xlarge

Compare db.r3.8xlarge

Other generations

vs db.r4.8xlarge

Other r3 sizes

Size	vCPUs	Memory (GiB)	On-demand /hr
db.r3.large	2	15.25	$0.25
db.r3.xlarge	4	30.5	$0.5
db.r3.2xlarge	8	61	$0.995
db.r3.4xlarge	16	122	$1.99
db.r3.8xlarge	32	244	$3.98

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