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

Memtest86

Memtest86 9.3

  -  8.27 MB  -  Freeware
  • 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

    e713bd30bfd1ead4aec951a1b4fc7155

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 9.3.


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.


We would love to hear from you

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!

  • Memtest86 9.3 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Memtest86 9.3 Screenshot 1
  • Memtest86 9.3 Screenshot 2
  • Memtest86 9.3 Screenshot 3
  • Memtest86 9.3 Screenshot 4
  • Memtest86 9.3 Screenshot 5

What's new in this version:

Fixes/Enhancements:
- Support custom test definitions specified by a configuration file. A custom test definition consists of an existing test algorithm, specific test pattern, cache settings, and number of iterations. Custom test definitions are enabled by specifying the TESTCFGFILE parameter (Pro Edition only)
- Fixed incorrectly formatted XML Status/TestResult files sent to PXE/TFTP server (Site Edition only)
- Fixed incorrect reporting of error endianess for 128-bit test
- Fixed bug in displaying/logging ECC error channel/slot number
- Fixed report/log files not being saved correctly for non-standard USB flash drive installs
- Improved responsiveness of pattern string updated on screen
- Display row hammer warning, if applicable, in test completion popup message
- Fixed ECC error reporting on AMD Ryzen chipsets to include channel/slot information
- Fixed ECC error reporting on AMD Ryzen chipsets with 8 memory channels
- Improved robustness of ECC error reporting for Intel Atom C2000 chipsets
- Fixed retrieval of DDR4 SPD bytes on Intel Alder Lake chipsets
- Added support for parsing DDR3 Module Manufacturer’s Specific Data
- Updated blacklist with additional Surface Pro models with display issues