Amazon Web Services RDS for PostgreSQL db.r4.4xlargeUS company

16 vCPU / 122GB, Seoul, South Korea. $1,927.20 per month on-demand (with Korean VAT 10%)

Prices shown for: Seoul, South Korea (ap-northeast-2)

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About this product

A memory-optimized Intel PostgreSQL managed database with 16 vCPU, 122 GB memory. Single AZ.

Key points

Spec 16 vCPU, 122 GB memory
Engine PostgreSQL
CPU Intel Xeon E5-2686 v4 (Broadwell)
Performance Fixed (steady, no CPU credits)
Type memory-optimized
Network Up to 10 Gigabit
High availability Single AZ
Region Seoul (ap-northeast-2)

db.r4 (Intel E5-2686 v4, memory-optimized)

An RDS memory-optimized DB instance class on Intel Xeon E5-2686 v4 (Broadwell). Performance is steady and does not depend on CPU credits. It has about 7.6 GB of memory per vCPU. Suited to memory-hungry work on open-source databases such as MySQL and PostgreSQL. This is an older generation that can no longer be used to create new DB instances.

Good for Memory-heavy MySQL and PostgreSQL

Source

Price by pricing model

Pricing model	Hourly price	Monthly (original currency)	Monthly (with Korean VAT 10%)	Monthly (excluding tax)	Source
On-demand	$2.40/hr	$1,752.00hourly x 730	$1,927.20With Korean VAT 10%	$1,752.00Excluding tax	Official pricingChecked 2026-10-22	Details Hourly price $2.40/hr Monthly (original currency) $1,752.00hourly x 730 Monthly (with Korean VAT 10%) With Korean VAT 10% Monthly (excluding tax) $1,752.00Excluding tax Source Official pricingChecked 2026-10-22

On-demand uses the flat monthly price when there is one, otherwise the hourly price times the monthly hours. Reserved and savings plan prices are monthly equivalents.

Source: Official pricing, checked 2026-10-22 06:42 KST. $2.40/hr x 730 hours, VAT excluded.

Shown in USD, Seoul prices. Exchange rate used: 1 USD = ₩1,325.57 (as of 2026-10-21). Prices are shown with Korean VAT 10% included.

Specifications

Company: Amazon Web Services (US company)
Family: db.r4
Type: Memory optimized
vCPU: 16
Memory: 122GB
CPU: Intel Xeon E5-2686 v4 (Broadwell)
CPU architecture: x86_64
Network: Up to 10 Gigabit
DB engine: PostgreSQL
High availability: No
Region: Seoul, South Korea (ap-northeast-2)
Product ID: postgresql:db.r4.4xlarge:single-az

Similar products at other providers

The cheapest on-demand product at each provider with the same or larger spec. Price region: Seoul.

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KT CloudKorean companyMedium reliability	DBaaS for PostgreSQL High Memory 16 vCore, 128GBPostgreSQL, memory-optimized	16 vCPU / 128GBLarger	Korea	$1,001.19₩1,206,500 flat monthly, VAT excluded	Official pricingChecked 2026-10-22	Details Company Korean companyMedium reliability Product PostgreSQL, memory-optimized Spec 16 vCPU / 128GBLarger Region Korea Monthly price ₩1,206,500 flat monthly, VAT excluded Source Official pricingChecked 2026-10-22
NHN CloudKorean companyMedium reliability	RDS for PostgreSQL x1.c16m128 (Performance Optimized) 16 vCPU, 128GBPostgreSQL, general-purpose, Single node	16 vCPU / 128GBLarger	Pangyo, South Korea	$1,378.14₩2,275/hr x 730 hours, VAT excluded	Official pricingChecked 2026-10-22	Details Company Korean companyMedium reliability Product PostgreSQL, general-purpose, Single node Spec 16 vCPU / 128GBLarger Region Pangyo, South Korea Monthly price ₩2,275/hr x 730 hours, VAT excluded Source Official pricingChecked 2026-10-22
Kakao CloudKorean companyMedium reliability	PostgreSQL r2a.4xlarge (16 vCPU, 128 GiB)PostgreSQL, memory-optimized	16 vCPU / 128GBLarger	kr-central-2	$1,447.69₩2,423/hr x 720 hours, VAT excluded	Official pricingChecked 2026-10-22	Details Company Korean companyMedium reliability Product PostgreSQL, memory-optimized Spec 16 vCPU / 128GBLarger Region kr-central-2 Monthly price ₩2,423/hr x 720 hours, VAT excluded Source Official pricingChecked 2026-10-22
NAVER Cloud PlatformKorean companyHigh reliability	Cloud DB for PostgreSQL High Memory 16 vCPU, 128GBPostgreSQL, memory-optimized	16 vCPU / 128GBLarger	Korea	$1,470.40₩2,461/hr x 720 hours, VAT excluded	Official pricingChecked 2026-10-22	Details Company Korean companyHigh reliability Product PostgreSQL, memory-optimized Spec 16 vCPU / 128GBLarger Region Korea Monthly price ₩2,461/hr x 720 hours, VAT excluded Source Official pricingChecked 2026-10-22
Microsoft AzureUS companyHigh reliability	Database for PostgreSQL Flexible Memory Optimized Eadsv5 16 vCorePostgreSQL, memory-optimized	16 vCPU / 128GBLarger	Seoul, South Korea	$1,927.20$2.40/hr x 730 hours, VAT excluded	Official pricingChecked 2026-10-22	Details Company US companyHigh reliability Product PostgreSQL, memory-optimized Spec 16 vCPU / 128GBLarger Region Seoul, South Korea Monthly price $2.40/hr x 730 hours, VAT excluded Source Official pricingChecked 2026-10-22
SupabaseUS companyNot enough data	Supabase 8XL (PostgreSQL)PostgreSQL, general-purpose, Single node	32 vCPU / 128GBLarger	Seoul, South Korea	$2,057.29$2.562/hr x 730 hours, VAT excluded	Official pricingChecked 2026-10-22	Details Company US companyNot enough data Product PostgreSQL, general-purpose, Single node Spec 32 vCPU / 128GBLarger Region Seoul, South Korea Monthly price $2.562/hr x 730 hours, VAT excluded Source Official pricingChecked 2026-10-22
Akamai Cloud (Linode)US companyMedium reliability	Managed PostgreSQL Linode 128GBPostgreSQL, shared-CPU, Single node	24 vCPU / 128GBLarger	Osaka, Japan	$2,217.60$2,016.00 flat monthly, VAT excluded	Official pricingChecked 2026-10-22	Details Company US companyMedium reliability Product PostgreSQL, shared-CPU, Single node Spec 24 vCPU / 128GBLarger Region Osaka, Japan Monthly price $2,016.00 flat monthly, VAT excluded Source Official pricingChecked 2026-10-22

Last updated: 2026-10-22 06:48 KST.