MemTest86 is the original, free, stand alone memory testing software for x86 computers. 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.
Main Features
The latest version of MemTest86 supports all the current technologies, including
13 different RAM testing algorithms
DDR4 RAM (and DDR2 & DDR3) support
XMP - high performance memory profiles
UEFI - The new graphical standard for BIOS
64bit - From version 5, MemTest86 is native 64bit code
ECC RAM - support for error-correcting code RAM
Secure boot - With MemTest86 being code signed by Microsoft
Graphical interface, mouse support and logging of results to disk
Foreign language support (Chinese, German & more)
Self booting off USB, without needing DOS, Linux nor Windows
Network (PXE) boot - Scalable, disk-less provisioning from a single PXE server