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GMP damaging Zen 5 CPUs?


We have fried two Ryzen 9950X CPUs in a few months by running GMP tests. This is not expected, of course.

The systems were under maximal load at the time their CPUs died, running very tight handcrafted asm loops sustaining one MULX per cycle. The extremely thin layer of thermal paste which resulted from the off-centre heat sink mount, might seem fine. When the thermal paste is squeezed away as with the suggested Noctua mounting, an ever-so-slight void between the CPU and the heat sink might be created.

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