Amazon Web Services EC2 r8i-flex.4xlargeUS company

16 vCPU / 128GB, N. Virginia, United States. $770.70 per month on-demand (excluding tax)

Prices shown for: N. Virginia, United States (us-east-1)

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 N. Virginia (us-east-1)

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$1.0558/hr$770.7048hourly x 730$847.78With Korean VAT 10%$770.70Excluding taxOfficial pricingChecked 2026-10-20

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 2026-10-20 12:04 KST. $1.0558/hr x 730 hours, VAT excluded.

Shown in USD, US East prices. Exchange rate used: 1 USD = ₩1,329.49 (as of 2026-10-19); 1 EUR = ₩1,492.35 (as of 2026-10-19). 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
N. Virginia, United States (us-east-1)
Product ID
r8i-flex.4xlarge

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Last updated: 2026-10-20 12:09 KST.