Back in February of 2025, the main GMP testing computer, a Ryzen 9950X based system, died. The CPU's pin side has a discoloured region of about 10 mm in diameter. The CPU was replaced within the warranty period.
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We have fried two Ryzen 9950X CPUs in a few months by running GMP tests and the GMP-based factoring program GMP-ECM . This is not expected, of course. In this page, we provide as much information as possible to help analysing the problem.