db.r6i.16xlarge

db.r6i.16xlarge is an AWS RDS size with 64 vCPUs, 512 GiB memory (Intel Xeon Scalable Ice Lake). In US East (N. Virginia) it costs $8.00 per hour on demand ($5,840.00 per month) for PostgreSQL, Single-AZ; a 1-year reserved instance with no upfront costs $4.621 per hour, 42% less. It is sold in 36 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	$8.00	$4.621
US East (Ohio) us-east-2	$8.00	$4.621
US West (Oregon) us-west-2	$8.00	$4.621
Asia Pacific (Malaysia) ap-southeast-5	$8.16	$6.283
Asia Pacific (Thailand) ap-southeast-7	$8.16	$6.283
EU (Stockholm) eu-north-1	$8.224	$5.181
Mexico (Central) mx-central-1	$8.416	$6.48
Asia Pacific (Taipei) ap-east-2	$8.64	$6.653
Canada (Central) ca-central-1	$8.65	$4.995
Canada West (Calgary) ca-west-1	$8.65	$6.653
EU (Ireland) eu-west-1	$8.96	$5.926
US West (N. California) us-west-1	$8.96	$6.022
Asia Pacific (Mumbai) ap-south-1	$9.12	$6.224
EU (Milan) eu-south-1	$9.408	$6.209
EU (London) eu-west-2	$9.408	$6.224
EU (Paris) eu-west-3	$9.408	$6.224
Israel (Tel Aviv) il-central-1	$9.41	$7.244
Asia Pacific (Tokyo) ap-northeast-1	$9.60	$6.554
Asia Pacific (Seoul) ap-northeast-2	$9.60	$6.554
Asia Pacific (Osaka) ap-northeast-3	$9.60	$6.528
Asia Pacific (Singapore) ap-southeast-1	$9.60	$6.554
Asia Pacific (Sydney) ap-southeast-2	$9.60	$6.554
EU (Frankfurt) eu-central-1	$9.76	$6.458
Middle East (Bahrain) me-south-1	$9.856	$6.522
Asia Pacific (New Zealand) ap-southeast-6	$10.08	$7.762
Asia Pacific (Hong Kong) ap-east-1	$10.56	$7.206
Africa (Cape Town) af-south-1	$10.656	$7.05
AWS GovCloud (US-East) us-gov-east-1	$11.20	$7.384
AWS GovCloud (US-West) us-gov-west-1	$11.20	$7.384
Europe (Spain) eu-south-2	$13.312	–
Asia Pacific (Hyderabad) ap-south-2	$13.728	–
Asia Pacific (Jakarta) ap-southeast-3	$14.56	–
Asia Pacific (Melbourne) ap-southeast-4	$14.56	–
Middle East (UAE) me-central-1	$14.643	–
Europe (Zurich) eu-central-2	$16.016	–
South America (Sao Paulo) sa-east-1	$16.768	$9.715

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	$8.00	$4.621	–
PostgreSQL · Multi-AZ	$16.00	$9.242	–
Oracle Enterprise BYOL · Single-AZ	$7.456	$4.313	–
Oracle Enterprise BYOL BYOM Custom · Single-AZ	$7.456	–	–
MariaDB · Single-AZ	$7.68	$4.435	–
MySQL · Single-AZ	$7.68	$4.435	–
Db2 Advanced · Single-AZ	$8.00	$6.16	–
Db2 Advanced BYOL · Single-AZ	$8.00	$6.16	–
Aurora MySQL · Single-AZ	$9.28	$6.08	–
Aurora PostgreSQL · Single-AZ	$9.28	$6.08	–
SQL Server Developer BYOM Custom · Single-AZ	$11.904	–	–
SQL Server Enterprise BYOM Custom · Single-AZ	$11.904	$8.571	–
SQL Server Enterprise Developer BYOM · Single-AZ	$11.904	–	–
SQL Server Standard BYOM Custom · Single-AZ	$11.904	$8.571	–
Aurora MySQL I/O Optimized · Single-AZ	$12.064	–	–
Aurora PostgreSQL I/O Optimized · Single-AZ	$12.064	–	–
Oracle Enterprise BYOL · Multi-AZ	$14.912	$8.626	–
Oracle Enterprise BYOL BYOM Custom · Multi-AZ	$14.912	–	–
MariaDB · Multi-AZ	$15.36	$8.87	–
MySQL · Multi-AZ	$15.36	$8.87	–
Db2 Advanced · Multi-AZ	$16.00	$12.32	–
Db2 Advanced BYOL · Multi-AZ	$16.00	$12.32	–
SQL Server Developer BYOM Custom · Multi-AZ	$23.808	–	–
SQL Server Enterprise BYOM Custom · Multi-AZ	$23.808	$17.142	–
SQL Server Enterprise Developer BYOM · Multi-AZ	$23.808	–	–
SQL Server Standard BYOM Custom · Multi-AZ	$23.808	$17.142	–
SQL Server Enterprise · Single-AZ	$40.016	$39.916	–
SQL Server Enterprise Custom · Single-AZ	$40.016	$37.215	–
SQL Server Enterprise · Multi-AZ	$57.613	–	–
SQL Server Enterprise Custom · Multi-AZ	$57.613	$53.58	–

Specs

Compute	Value
vCPUs	64
Physical cores	32
Threads per core	2
Architecture	x86_64
Processor	Intel Xeon Scalable Ice Lake
CPU maker	Intel
Sustained clock	3.5 GHz
Burstable	No

Memory	Value
Memory (GiB)	512

Networking	Value
Network	25 Gbps
Network baseline	25 Gbps
Network peak	25 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.r6i.16xlarge
Family	r6i
Category	Memory optimized
Current generation	Yes
Normalization factor	128

Other	Value
Hardware Basis	r6i.16xlarge

Compare db.r6i.16xlarge

Compute and memory optimized

vs db.m6i.16xlarge

Other processors

vs db.r6g.16xlarge

With or without local disk and networking

vs db.r6id.16xlarge vs db.r6idn.16xlarge vs db.r6in.16xlarge

Other generations

vs db.r5.16xlarge vs db.r7i.16xlarge

Other r6i sizes

Size	vCPUs	Memory (GiB)	On-demand /hr
db.r6i.large	2	16	$0.25
db.r6i.xlarge	4	32	$0.5
db.r6i.xlarge.tpc2.mem4x	4	128	$1.864
db.r6i.2xlarge	8	64	$1.00
db.r6i.2xlarge.tpc1.mem2x	8	128	$1.864
db.r6i.2xlarge.tpc2.mem4x	8	256	$3.728
db.r6i.4xlarge	16	128	$2.00
db.r6i.4xlarge.tpc2.mem2x	16	256	$3.728
db.r6i.4xlarge.tpc2.mem3x	16	384	$5.592
db.r6i.4xlarge.tpc2.mem4x	16	512	$7.456
db.r6i.6xlarge.tpc2.mem4x	24	768	$11.184
db.r6i.8xlarge	32	256	$4.00
db.r6i.8xlarge.tpc2.mem4x	32	1024	$14.912
db.r6i.12xlarge	48	384	$6.00
db.r6i.16xlarge	64	512	$8.00
db.r6i.24xlarge	96	768	$12.00
db.r6i.32xlarge	128	1024	$16.00
db.r6i.metal	128	1024	$11.184
db.r6i.2xlarge.tpc2.mem8x	–	–	$7.456
db.r6i.8xlarge.tpc2.mem3x	–	–	$11.184
db.r6i.large.tpc1.mem2x	–	–	$0.466
db.r6i.xlarge.tpc2.mem2x	–	–	$0.932

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