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Intel® Core™ X-series Processors

Intel® Core™ i9-9900X X-series Processor

19.25M Cache, up to 4.50 GHz
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Intel® Extreme Tuning Utility (Intel® XTU)

 Software Downloads Aug 4, 2026
  • Windows 11 (25H2)
  • Windows 11 (24H2)
  • Windows 11 (23H2)
  • Windows 10 (22H2)
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Intel® Computing Improvement Program

 Software Downloads May 28, 2026
  • Microsoft Windows
  • Windows 10 Family
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Intel® Processor Diagnostic Tool

 Software Downloads Jan 11, 2024
  • Windows Server 2012 R2 family
  • Windows Server 2016 family
  • Windows Server 2019 family
  • Windows Server 2022 family
  • Windows 10 Family
  • Windows 11 Family
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