db.r5d.4xlarge

db.r5d.4xlarge is an AWS RDS size with 16 vCPUs, 128 GiB memory (Intel Xeon Platinum 8175). In US East (N. Virginia) it costs $2.286 per hour on demand ($1,668.78 per month) for PostgreSQL, Single-AZ; a 1-year reserved instance with no upfront costs $1.76 per hour, 23% 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.

Region	On-demand	1-yr reserved
US East (N. Virginia) us-east-1	$2.286	$1.76
US East (Ohio) us-east-2	$2.286	$1.76
US West (Oregon) us-west-2	$2.286	$1.76
EU (Stockholm) eu-north-1	$2.332	$1.796
Canada (Central) ca-central-1	$2.476	$1.906
EU (Ireland) eu-west-1	$2.542	$1.957
AWS GovCloud (US-West) us-gov-west-1	$2.56	$1.843
AWS GovCloud (US-East) us-gov-east-1	$2.565	$1.843
US West (N. California) us-west-1	$2.592	$1.996
Asia Pacific (Mumbai) ap-south-1	$2.648	$2.039
EU (Milan) eu-south-1	$2.67	$2.056
EU (London) eu-west-2	$2.686	$2.068
EU (Paris) eu-west-3	$2.686	$2.068
Asia Pacific (Seoul) ap-northeast-2	$2.732	$2.103
Asia Pacific (Tokyo) ap-northeast-1	$2.747	$2.115
Asia Pacific (Osaka) ap-northeast-3	$2.747	$2.115
Asia Pacific (Singapore) ap-southeast-1	$2.747	$2.115
Asia Pacific (Jakarta) ap-southeast-3	$2.747	$2.115
Asia Pacific (Hong Kong) ap-east-1	$2.766	$2.13
Asia Pacific (Sydney) ap-southeast-2	$2.766	$2.13
EU (Frankfurt) eu-central-1	$2.777	$2.138
Middle East (UAE) me-central-1	$2.798	$2.154
Middle East (Bahrain) me-south-1	$2.798	$2.154
Africa (Cape Town) af-south-1	$3.013	$2.32
South America (Sao Paulo) sa-east-1	$4.755	$3.661
Asia Pacific (Hyderabad) ap-south-2	$10.327	–
Israel (Tel Aviv) il-central-1	–	–

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	$2.286	$1.76	–
PostgreSQL · Multi-AZ	$4.571	$3.52	–
PostgreSQL · Multi-AZ (readable standbys)	$6.432	–	–
Oracle Enterprise BYOL · Single-AZ	$2.131	$1.544	–
Oracle Standard Two BYOL · Single-AZ	$2.131	$1.544	–
MariaDB · Single-AZ	$2.286	–	–
MySQL · Single-AZ	$2.286	$1.76	–
SQL Server Web · Single-AZ	$3.777	$3.172	–
Oracle Enterprise BYOL · Multi-AZ	$4.261	$3.087	–
Oracle Standard Two BYOL · Multi-AZ	$4.261	$3.087	–
MariaDB · Multi-AZ	$4.571	–	–
MySQL · Multi-AZ	$4.571	$3.52	–
SQL Server Standard · Single-AZ	$6.283	$5.938	–
MySQL · Multi-AZ (readable standbys)	$6.432	–	–
SQL Server Web · Multi-AZ	$7.284	–	–
SQL Server Enterprise · Single-AZ	$10.254	$10.229	–
SQL Server Standard · Multi-AZ	$12.566	$11.875	–
SQL Server Enterprise · Multi-AZ	$15.638	$15.599	–

Specs

Compute	Value
vCPUs	16
Physical cores	8
Threads per core	2
Architecture	x86_64
Processor	Intel Xeon Platinum 8175
CPU maker	Intel
Sustained clock	3.1 GHz
Burstable	No

Memory	Value
Memory (GiB)	128

Networking	Value
Network	Up to 10 Gbps
Network baseline	5 Gbps
Network peak	10 Gbps

Storage	Value
Storage	2 x 300 NVMe SSD
Local disks	2 × 300 GB SSD
EBS baseline bandwidth	4,750 Mbps
EBS max bandwidth	4,750 Mbps
EBS baseline throughput	593.75 MB/s
EBS max throughput	593.75 MB/s
EBS baseline IOPS	18,750
EBS max IOPS	18,750

Instance details	Value
Instance type	db.r5d.4xlarge
Family	r5d
Category	Memory optimized
Current generation	Yes
Normalization factor	32

Other	Value
Hardware Basis	r5d.4xlarge

Compare db.r5d.4xlarge

Compute and memory optimized

vs db.m5d.4xlarge

With or without local disk and networking

vs db.r5.4xlarge vs db.r5.4xlarge.tpc2.mem2x vs db.r5.4xlarge.tpc2.mem3x vs db.r5.4xlarge.tpc2.mem4x

Other generations

vs db.r6id.4xlarge

Other r5d sizes

Size	vCPUs	Memory (GiB)	On-demand /hr
db.r5d.large	2	16	$0.286
db.r5d.xlarge	4	32	$0.571
db.r5d.2xlarge	8	64	$1.143
db.r5d.4xlarge	16	128	$2.286
db.r5d.8xlarge	32	256	$4.571
db.r5d.12xlarge	48	384	$6.857
db.r5d.16xlarge	64	512	$9.143
db.r5d.24xlarge	96	768	$13.714

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