MemTest86 Pro is a highly advanced memory diagnostic tool designed to test the reliability and stability of computer RAM. Developed by PassMark Software, it is recognized as one of the most accurate and comprehensive memory testing solutions available.
At its core, MemTest86 Pro runs a series of rigorous tests on a system’s memory, identifying errors that could compromise performance or lead to system crashes. Unlike basic diagnostic tools, it utilizes sophisticated algorithms, including bit-level analysis, pattern testing, and data integrity verification, to detect even the most subtle memory faults.
One of its standout features is UEFI support, allowing it to boot directly from modern systems without requiring legacy BIOS emulation. This makes it compatible with the latest hardware while ensuring efficient and reliable testing. Additionally, MemTest86 Pro supports a broad range of memory technologies, including DDR4, DDR3, DDR2, and DDR SDRAM, as well as ECC and non-ECC modules, making it suitable for everything from personal computers to enterprise servers.
MemTest86 Pro also includes detailed logging and reporting capabilities, enabling users to track memory issues over time. Results can be saved, printed, or analyzed to detect recurring errors. The software is designed for ease of use, featuring a bootable USB-based interface that allows users to start testing without the need for an operating system.
Why Accurate Memory Testing Matters
Many diagnostic tools rely on generic test patterns that may identify major hardware failures but fail to detect intermittent errors—one of the most common and frustrating RAM issues. MemTest86 Pro is designed to go deeper, testing for complex issues such as memory cell interference, where writing data to one cell unintentionally alters adjacent cells. This level of precision helps pinpoint faults that traditional BIOS-based memory tests often overlook.
An Essential Tool for PC Stability
Faulty RAM can cause system instability, data corruption, crashes, and unexplained behavior. Because memory-related issues can be unpredictable and difficult to diagnose, MemTest86 Pro is widely used by system builders, PC repair shops, overclockers, and manufacturers to ensure memory integrity. Whether troubleshooting performance issues or verifying new hardware, MemTest86 Pro is an indispensable tool for any serious computer user.
PassMark MemTest86 supports all current technologies:
– 13 different RAM testing algorithms – including row hammer fault detection*
– All RAM types supported (DDR2, DDR3, DDR4, SODIMM, XMP, ECC)
– Self-booting off USB or Network (PXE)* boot, without needing DOS, Linux nor Windows
– Optimized for UEFI-based x86/ARM systems
– Native 64-bit code (since version 5)
– ECC error detection & injection*
– Secure Boot verified – Code signed by Microsoft
– Graphical interface with mouse input
– Save logs and create customizable HTML reports
– Full test automation via configuration file
– Support for memory blacklisting in Windows (badmemorylist) and Linux (BADRAM)
– Multi-language support (Chinese, German, Russian, Spanish & more)
MemTest86 Features:
UEFI
The new graphical standard for BIOS
Network (PXE) boot
Scalable, disk-less provisioning from a PXE server
Reports / Logs
Save results to disk
Self-booting USB
No O/S required
All RAM types supported
DDR2 / DDR3 / DDR4 / SODIMM / XMP / ECC
Foreign language support
Chinese, German, Russian, Japanese & more
Graphical interface
And mouse support
13 algorithms
Including SIMD and row hammer tests
Secure boot signed
Code integrity verified by Microsoft
What’s NEW:
Fixes/Enhancements
- Added new config file parameter REPORTPREPEND for prepending the report filename with a user-specified custom string
- Fixed exception due to buffer overflow when saving DIMM results to a BMP file when the system contains a single DIMM slot
- Added preliminary ECC/address decode/memory timings support for AMD Zen 5 Turin (Family 1A, Model 0-1F) and Granite Ridge (Family 1A, Model 40-4F)
Download Memtest86 Pro
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