Windows Server hardware requirements
Microsoft's edit ·
Microsoft's commit message in MicrosoftDocs/windowsserverdocs · commit af0bcc0 · +16 −1 lines · also on GitHub
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ms.author: roharwoo
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ms.date: 10/18/2024
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# Hardware requirements for Windows Server
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- Support for CMPXCHG16b, LAHF/SAHF, and PrefetchW instructions
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- Support for Second Level Address Translation (EPT or NPT)
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−Windows Server 2025 and later requires processors that support the following features:
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- Support for the SSE4.2 (Streaming SIMD Extensions 4.2) instruction set
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- Support for the POPCNT instruction
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You can utilize [Coreinfo](/sysinternals/downloads/coreinfo), which is a tool included in Windows Sysinternals, to verify the capabilities of your CPU.
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# [RAM](#tab/ram)
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**Minimum**:
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- 512 MB for Server Core
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- 2 GB for Server with Desktop Experience, 4 GB recommended
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+- 2 GB for Server with Desktop Experience
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- ECC (Error Correcting Code) type or similar technology for physical host deployments
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> [!IMPORTANT]
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Microsoft's Markdown source from MicrosoftDocs/windowsserverdocs, © Microsoft Corporation, under CC BY 4.0. Changed lines with up to 3 unchanged lines around each; ChangeIntel kept this copy 10 Oct 01:29 UTC. The commit date is when the source changed, which can be hours or days before Learn published it.