Memory testing program for PC - 13 different RAM testing algorithms!

Memtest86

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Memtest86 11.1

  -  11.55 MB  -  Freeware
Free Download

Security Status

  • Latest Version

    Memtest86 11.2

  • Operating System

    Windows 7 / Windows 8 / Windows 10 / Windows 11

  • User Rating

    Click to vote

  • Author / Product

    PassMark Software / External Link

  • Filename

    memtest86-usb.zip

  • MD5 Checksum

    d04bed42ccbeec85670f12179739f110

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Memtest86 11.1.


For those interested in downloading the most recent release of Memtest86 or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download Memtest86 11.1

  • Memtest86 11.1 Screenshots

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    Memtest86 11.1 Screenshot 1
  • Memtest86 11.1 Screenshot 2
  • Memtest86 11.1 Screenshot 3
  • Memtest86 11.1 Screenshot 4
  • Memtest86 11.1 Screenshot 5

What's new in this version:

Fixes/Enhancements:
- Improved performance and robustness of using non-default caching policy. This improves UI performance and fixes system halt issues with certain systems.
- Added support for additional caching policies in the main menu and MEMCACHE config file parameter
- Extended SKIPDECODE config file parameter to apply to LPDDR4/LPDDR5 modules
- Updated UEFI libraries to edk2-stable202405
- Fixed incorrect test name for test 9 from "ones & zeros" text to "random pattern"
- Fixed multi-core issues on ARM64 chipsets due to unset mask interrupt bit for the ARMv8 performance counter register
- Fixed incorrect slot being identified when ECC errors are detected on Intel Coffee Lake chipsets
- Added address module decoding support for AMD Zen 3 chipsets
- Added workaround when displaying DIMM test results to match the physical slot layout of various consumer Intel Meteor Lake motherboards
- Fixed incorrect channel mode, speeds and timings reported for multi-socket Intel Skylake-SP chipsets
- Fixed incorrect memory timings reported for Intel Emerald Rapids-SP chipsets
- Fixed incorrect reporting of memory timings and channel mode on multi-socket systems
- Fixed incorrect memory speed reported for Intel Sandy Bridge chipsets
- Fixed incorrect memory speed reported for Intel Rocket Lake/Ice Lake/Tiger Lake/Alder Lake chipsets
- Added support for reporting of LPDDR5-specific SPD attributes
- Updated Japanese translations in localizations file

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