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Windows Server 2025

Compare Standard and Datacenter 16-core listings alongside access licenses. A 16-core pack is a stated quantity, not a promise that every server is fully covered. Physical cores, virtualization plans and access needs determine the complete purchase.

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Make the right match

Before choosing: record processors, cores per processor, planned Windows Server virtual machines and people or devices accessing services. Keep base CALs and RDS CALs as separate lines in the plan.

Read the Windows Server 2025 buying guide →

Matching store listings

Product images below are SoftwareKeep listing artwork. Open the store for current prices, availability and purchase terms.

Windows Server 2025 Standard · 16 cores SoftwareKeep listing artwork

Windows Server 2025 Standard · 16 cores

Physical servers and light virtualization

16-core pack · CALs separate

License all physical cores, with at least 16 per server and 8 per processor. More VMs can require additional complete core-license sets.

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Windows Server 2025 Datacenter · 16 cores SoftwareKeep listing artwork

Windows Server 2025 Datacenter · 16 cores

Hosts running many Windows Server virtual machines

16-core pack · CALs separate

Unlimited virtualization applies to a fully licensed host, not unlimited servers. Cover all physical cores and confirm use rights.

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Windows Server 2025 5 User CALs SoftwareKeep listing artwork

Windows Server 2025 5 User CALs

Named people using multiple devices

5 user CALs · 2025

A CAL grants access; it does not install or license the Windows Server operating system.

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Windows Server 2025 5 Device CALs SoftwareKeep listing artwork

Windows Server 2025 5 Device CALs

Shared devices used by multiple people

5 device CALs · 2025

A CAL grants access; it does not install or license the Windows Server operating system.

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Windows Server 2025 RDS 5 User CALs SoftwareKeep listing artwork

Windows Server 2025 RDS 5 User CALs

Named people using multiple devices

5 user CALs · 2025

RDS CALs do not replace base Windows Server CALs or the server core license.

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Windows Server 2025 RDS 5 Device CALs SoftwareKeep listing artwork

Windows Server 2025 RDS 5 Device CALs

Shared devices used by multiple people

5 device CALs · 2025

RDS CALs do not replace base Windows Server CALs or the server core license.

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Windows Server 2025 questions and comparisons

Prepare before checkout

Read the mixed-device office purchase checklist to organize editions, devices, cores and access requirements in one place.

Have a question? Visit the software FAQ.