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 | It has been suggested that this article be split into articles titled MemTest86 and Memtest86+. (Discuss) (February 2025) |
 A screenshot of MemTest86 (ver. 8.3 Pro) | |
| Original author(s) | Chris Brady |
|---|---|
| Developer(s) | PassMark Software |
| Initial release | 1994[1] |
| Stable release | 11.2 (Build 2000)[2] 
/ 13 February 2025 |
| Written in | C, assembly language |
| Available in | 12 languages[3] |
List of languages English, French, German, Czech, Polish, Russian, Spanish, Portuguese, Italian, Catalan, Japanese, Chinese | |
| Type | Utility |
| License | freeware, proprietary license |
| Website | www |
 A screenshot of Memtest86+ (ver. 6.00b2) | |
| Developer(s) | Martin Whitaker, Sam Demeulemeester |
|---|---|
| Initial release | 2004[4] |
| Stable release | 7.20[5]
/ 11 November 2024 |
| Repository | |
| Written in | C, assembly language |
| Available in | English |
| Type | Utility |
| License | GNU General Public License, version 2.0 |
| Website | www |
MemTest86 and Memtest86+ are memory test software programs designed to test and stress test an x86 architecture computer's random-access memory (RAM) for errors, by writing test patterns to most memory addresses, reading back the data, and comparing for errors.[6] Each tries to verify that the RAM will accept and correctly retain arbitrary patterns of data written to it, that there are no errors where different bits of memory interact, and that there are no conflicts between memory addresses.
- ^ Cite error: The named reference
86historywas invoked but never defined (see the help page). - ^ "MemTest86 What's New?".
- ^ "MemTest86 Feature Comparison". MemTest86.com. Retrieved 22 August 2024.
- ^ Cite error: The named reference
86+hiswas invoked but never defined (see the help page). - ^ "Release 7.20". 11 November 2024. Retrieved 26 November 2024.
- ^ "MemTest86 Technical Information". MemTest86.com. PassMark Software. Retrieved 22 October 2015.
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