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

Memtest86

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Memtest86 10.3

  -  11.31 MB  -  Freeware
Free Download

Security Status

  • Latest Version

    Memtest86 11.1

  • Operating System

    Windows XP / Vista / Windows 7 / Windows 8 / Windows 10

  • User Rating

    Click to vote

  • Author / Product

    PassMark Software / External Link

  • Filename

    memtest86-usb.zip

  • MD5 Checksum

    76969a53cc76017585cbaeff2ac84f61

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 10.3.


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 10.3

  • Memtest86 10.3 Screenshots

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    Memtest86 10.3 Screenshot 1
  • Memtest86 10.3 Screenshot 2
  • Memtest86 10.3 Screenshot 3
  • Memtest86 10.3 Screenshot 4
  • Memtest86 10.3 Screenshot 5

What's new in this version:

New Features:
- Added preliminary support for Ryzen Zen 4 DDR5 module decoding
- Added support for TCP/IP connection to management console
- Added 'INCOMPLETE' result in cases where not all tests complete but no errors are detected
- Added temperatures for all detected DIMMs in HTML/XML report
- Added ECC support for IBECC polling for Tiger Lake Chipsets
- Added additional options for 'SKIPDECODE' config parameter to skip based on DDR type

Fixes/Enhancements:
- Added ECC support for Ryzen zen 4 (60h-6fh)
- Fixed Intel Raptor Lake model numbers
- Fixed ECC support for Intel Tiger Lake H and UP3
- Fixed decode UI layout for DDR4 SO-DIMM 1Rx8
- Added ECC channel/slot remap workaround for H12SSL-NT
- Added serial number of failing DIMMs in HTML/XML reports
- Added DIMM S/N in per DIMM error table in HTML report
- Include error count for all DIMMs on test failure in HTML/XML report
- Fixed rank/chip width detection on Intel Tiger Lake chipsets
- Fixed Chip select hash decoding on Ryzen Zen 2/Zen 4 chipsets
- Changed 'EXACTSPDS' configuration parameter to accept an array of values
- Increased main thread wait time if memory error was detected to prevent timeouts
- Added workaround for UEFI firmware being unable to return correct rendered text dimensions
- Fixed freeze on some UEFI firmware when attempting to enable main thread during Multi-Processor init
- Fixed potential boot issues on some MSI Ryzen motherboards
- Fixed bug in parsing DDR5 SDRAM Density Per Die resulting in incorrect module size
- Fix premature main thread timeout in parallel mode due to reporting memory errors
- Fix slot mapping of memory errors for Ryzen AM4 boards
- Fix bug in determining unknown slot errors when there are consecutive errors for the same address
- Fix '# Logical Processors' not appearing properly in XML file
- reduce verbosity of SPD/TSOD SMBus logs

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