db.r8a.16xlarge

db.r8a.16xlarge is an AWS RDS size with 64 vCPUs, 512 GiB memory (5th Generation AMD EPYC). In US East (N. Virginia) it costs $9.661 per hour on demand ($7,052.38 per month) for PostgreSQL, Single-AZ; a 1-year Database Savings Plan costs $7.729 per hour, 20% less. It is sold in 9 regions.

Prices by region

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

Region	On-demand	1-yr savings plan
US East (N. Virginia) us-east-1	$9.661	$7.729
US East (Ohio) us-east-2	$9.661	$7.729
US West (Oregon) us-west-2	$9.661	$7.729
Asia Pacific (Taipei) ap-east-2	$10.432	$8.346
Canada (Central) ca-central-1	$10.432	$8.346
Europe (Spain) eu-south-2	$10.819	$8.655
EU (Ireland) eu-west-1	$10.819	$8.655
Asia Pacific (Tokyo) ap-northeast-1	$11.594	$9.275
EU (Frankfurt) eu-central-1	$11.786	$9.428

Reserved and Savings Plans

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	$9.661	–	–
PostgreSQL · Multi-AZ	$19.322	–	–
SQL Server Enterprise · Single-AZ	$9.207	–	–
SQL Server Enterprise BYOM · Single-AZ	$9.207	–	–
SQL Server Enterprise BYOM Unbundled · Single-AZ	$9.207	–	–
SQL Server Enterprise Developer BYOM · Single-AZ	$9.207	–	–
SQL Server Enterprise Developer BYOM Unbundled · Single-AZ	$9.207	–	–
SQL Server Enterprise Unbundled · Single-AZ	$9.207	–	–
MariaDB · Single-AZ	$9.661	–	–
MySQL · Single-AZ	$9.661	–	–
Aurora MySQL · Single-AZ	$11.206	–	–
Aurora PostgreSQL · Single-AZ	$11.206	–	–
Aurora MySQL I/O Optimized · Single-AZ	$14.57	–	–
Aurora PostgreSQL I/O Optimized · Single-AZ	$14.57	–	–
SQL Server Enterprise BYOM Unbundled · Multi-AZ	$18.415	–	–
SQL Server Enterprise Developer BYOM Unbundled · Multi-AZ	$18.415	–	–
SQL Server Enterprise Unbundled · Multi-AZ	$18.415	–	–
MariaDB · Multi-AZ	$19.322	–	–
MySQL · Multi-AZ	$19.322	–	–

Specs

Compute	Value
vCPUs	64
Physical cores	64
Threads per core	1
Architecture	x86_64
Processor	5th Generation AMD EPYC
CPU maker	AMD
Sustained clock	4.5 GHz
Burstable	No

Memory	Value
Memory (GiB)	512

Networking	Value
Network	30 Gbps
Network baseline	30 Gbps
Network peak	30 Gbps

Storage	Value
Storage	EBS Only
EBS baseline bandwidth	20,000 Mbps
EBS max bandwidth	20,000 Mbps
EBS baseline throughput	2,500 MB/s
EBS max throughput	2,500 MB/s
EBS baseline IOPS	80,000
EBS max IOPS	80,000

Instance details	Value
Instance type	db.r8a.16xlarge
Family	r8a
Category	Memory optimized
Current generation	Yes
Normalization factor	256

Other	Value
Hardware Basis	r8a.16xlarge

Compare db.r8a.16xlarge

Other processors

vs db.r8i.16xlarge vs db.r8g.16xlarge

Compute and memory optimized

vs db.m8a.16xlarge

Other r8a sizes

Size	vCPUs	Memory (GiB)	On-demand /hr
db.r8a.large	2	16	$0.3019
db.r8a.xlarge	4	32	$0.6038
db.r8a.2xlarge	4	64	$1.208
db.r8a.4xlarge	8	128	$2.415
db.r8a.8xlarge	16	256	$4.83
db.r8a.12xlarge	48	384	$7.246
db.r8a.16xlarge	64	512	$9.661
db.r8a.24xlarge	96	768	$14.491
db.r8a.48xlarge	192	1536	$28.982

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