Microsoft

Microsoft Windows Server 2025 Datacenter 16 Core License

Scale your Windows Server 2025 Datacenter deployment with this 16-core additional license pack for enterprise workloads.

$5,999.99*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The Microsoft Windows Server 2025 Datacenter 16-Core License is an add-on licensing pack designed for organizations that need to license additional processor cores beyond what their base Windows Server 2025 Datacenter license covers. Under Microsoft's core-based licensing model, every physical core in your server must be properly licensed, and this pack adds coverage for 16 additional cores. It is a medialess, keyless product — meaning it does not include installation media or a product activation key and cannot be used on its own.

Windows Server 2025 Datacenter edition is built for highly virtualized and software-defined data center environments, offering unlimited Windows Server containers, unlimited Hyper-V virtual machines, and advanced features such as shielded VMs, Storage Spaces Direct, and software-defined networking. By adding this 16-core pack, organizations can ensure compliance as they scale to larger multi-core processors or expand their server fleet. As with all Windows Server licensing, it is essential to purchase from authorized Microsoft partners to guarantee authenticity and support eligibility.

Key Features

Core-based licensing | Add to Windows Server 2025 Datacenter to license all processor cores.

No media, no key | Base license with media and key required

Beware of counterfeits | Genuine Windows Server software is branded by Microsoft only.

Specifications

Brand
Microsoft
Product
Windows Server 2025 Datacenter
License Type
Additional Core License (Add-On)
Core Support
16 Additional Cores
Format
Medialess, Keyless
Edition
Datacenter
Requirement
Base license with media and key required

Pros & Cons

👍 Pros

  • Enables scalable core-based licensing to match your actual server hardware
  • Datacenter edition includes unlimited Windows Server containers and Hyper-V virtual machines
  • Supports the latest Windows Server 2025 features including hotpatching and advanced security
  • Flexible add-on model lets you purchase only the additional cores you need

👎 Cons

  • Requires a separate base license with media and key — this pack alone cannot activate Windows Server
  • Medialess and keyless format may be confusing for buyers expecting a complete license
  • Datacenter pricing is significantly higher than Standard edition licensing
  • Only adds 16 cores per pack, so heavily multi-core servers may require multiple packs

Frequently Asked Questions

No. This is an additional 16-core license pack only. You must already have a Windows Server 2025 Datacenter base license that includes the media and product key.
Windows Server 2025 uses core-based licensing where you must license all physical processor cores. The base license covers a minimum number of cores, and this pack adds 16 additional cores to your existing license.
No. This is specifically a Datacenter edition license and cannot be applied to Standard edition installations.
Genuine Windows Server software is branded by Microsoft only. Purchase from authorized resellers and verify the licensing through Microsoft's Volume Licensing Service Center.