You must create a bootable USB using a tool like Rufus or Etcher and a MATS/MODS disk image (.img).
NVIDIA does not officially distribute MATS to the public; it is a "leaked" tool.
Because these files come from unofficial third-party sources, always scan downloads for malware and ensure you are comfortable using command-line tools before proceeding. Download MATS rar
After the test, the tool generates a report.txt file. Look for "Write Errors" or "Read Errors" assigned to specific memory banks (A, B, C, etc.). Finding the "MATS.rar" Download
While it supports a wide range of architectures (from the 900 series up to modern RTX 40 and 50 series), it is exclusive to NVIDIA hardware and does not work on AMD cards. How to Use MATS You must create a bootable USB using a
If testing a card with no display output, use an integrated GPU or secondary card and specify the target index: ./mats -n 1 -e 50 .
Common versions found online include 367.38.1 (for older cards like Pascal) and 400.184 or newer (for RTX/Turing and Ampere cards). After the test, the tool generates a report
It reports errors by channel (e.g., A0, B1), allowing technicians to know which chip to de-solder and replace.