Utilizes 13 different test algorithms to detect intermittent and subtle memory errors.
MemTest86 is the industry-standard, stand-alone memory diagnostic tool used to test x86 and ARM-based computers for RAM faults. Because it runs from its own bootable environment rather than within an operating system, it can test nearly all of your system's RAM without interference from Windows or Linux.
The most reliable source is the MemTest86 Download Page , which offers the Free and Pro versions.
If you prefer an open-source version, you can download Memtest86+ from Memtest.org or SourceForge .