

All RAM types supported (DDR2, DDR3, DDR4, DDR5, SODIMM, XMP, ECC).13 different RAM testing algorithms - including row hammer fault detection*.MemTest86 supports all current technologies: The version of Windows, Linux, or Mac used on your machine is irrelevant for execution. MemTest86 does not require any operating system for execution. If your RAM is bad from a memtest, you should first update your motherboard's BIOS or consider buying new RAM. Memtest86 only detects physical errors in your system memory, but cannot fix any errors. You can read a description of each of the test sections here. MemTest86 executes a series of numbered test sections to check for errors and there should be 0 errors. How many errors in Memtest86 are acceptable? Memtest86 will load your CPU up to 100% during testing, because data read or written to RAM will pass through the CPU, but it should not harm your processor or RAM. MemTest86 boots from a USB flash drive and tests the RAM in your computer for faults using a series of comprehensive algorithms and test patterns.


Insufficient RAM is one of the most frustrating computer problems, as symptoms are often random and hard to pin down. Corrupted data, crashes, and unexplained behavior. Unreliable RAM can cause a multitude of problems. (So there is no need for a future product called MemTest64). This covers both 32-bit and 64-bit machines. The number 86, following the MemTest part of the name, refers to the original x86 CPU instruction set that all of today's PCs use. This is an advanced x86 memory testing tool. Free Download PassMark MemTest86 latest version standalone offline installer for Windows.
