Amazon Web Services EC2 r8i-flex.4xlargeUS company

16 vCPU / 128GB, Seoul, South Korea. $929.73 per month on-demand (excluding tax)

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

About this product

A memory-optimized Intel server with 16 vCPU, 128 GB memory. Disk is attached separately.

Key points

  • Spec 16 vCPU, 128 GB memory
  • CPU Intel Xeon Scalable (Granite Rapids)
  • Performance Fixed (steady, no CPU credits)
  • Type memory-optimized
  • Disk Attached separately (extra cost)
  • Network Up to 15000 Megabit
  • Region Seoul (ap-northeast-2)

r8i-flex family (Intel Granite Rapids, memory-optimized)

A memory-optimized instance on Intel Xeon 6 (Granite Rapids). It is a flex size for workloads that do not use the CPU at full tilt all the time, priced below the regular sizes of the same family. It has about 8 GB of memory per vCPU. Disks are attached separately as EBS.

Good for In-memory databases, caches, large data analytics

Source

Price by pricing model

Pricing modelHourly priceMonthly (original currency)Monthly (with Korean VAT 10%)Monthly (excluding tax)Source
On-demand$1.2736/hr$929.728hourly x 730$1,022.70With Korean VAT 10%$929.73Excluding taxOfficial pricingChecked 2026-10-21

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 2026-10-21 06:42 KST. $1.2736/hr x 730 hours, VAT excluded.

Shown in USD, Seoul prices. Exchange rate used: 1 USD = ₩1,327.84 (as of 2026-10-20). Prices exclude tax. Local taxes such as VAT or GST depend on your country. Korea-based buyers pay 10% VAT.

Specifications

Company
Amazon Web Services (US company)
Family
r8i-flex
Type
Memory optimized
vCPU
16
Memory
128GB
CPU
Intel Xeon Scalable (Granite Rapids)
CPU architecture
x86_64
Network
Up to 15000 Megabit
Local disk
EBS only
Region
Seoul, South Korea (ap-northeast-2)
Product ID
r8i-flex.4xlarge

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

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Kakao CloudKorean companyMedium reliabilityr2a.4xlarge (16 vCPU, 128 GiB)memory-optimized, disk extra16 vCPU / 128GBkr-central-2$581.27₩1,072/hr x 720 hours, VAT excludedOfficial pricingChecked 2026-10-21
VultrUS companyHigh reliabilityOptimized Cloud Memory Optimized 16 vCPU, 128GB, 800GB diskAMD, memory-optimized, 800 GB disk16 vCPU / 128GBSeoul, South Korea$640.00$640.00 flat monthly, VAT excludedOfficial pricingChecked 2026-10-21
DigitalOceanUS companyHigh reliabilityMemory-Optimized 16 vCPU, 128GiBmemory-optimized, 400 GB disk16 vCPU / 128GBSingapore$672.00$672.00 flat monthly, VAT excludedOfficial pricingChecked 2026-10-21
Google CloudUS companyHigh reliabilitye2-highmem-16 (16 vCPU, 128GB)AMD, memory-optimized, disk extra16 vCPU / 128GBSeoul, South Korea$676.73$0.927/hr x 730 hours, VAT excludedOfficial pricingChecked 2026-10-21
Microsoft AzureUS companyHigh reliabilityVM E16ps_v6Arm, memory-optimized, disk extra16 vCPU / 128GBSeoul, South Korea$702.26$0.962/hr x 730 hours, VAT excludedOfficial pricingChecked 2026-10-21
NAVER Cloud PlatformKorean companyHigh reliabilityHigh Memory-g3 16 vCPU, 128GB (SSD Server)memory-optimized, disk extra16 vCPU / 128GBKorea$718.64₩954,240 flat monthly, VAT excludedOfficial pricingChecked 2026-10-21

Last updated: 2026-10-21 06:46 KST.