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Nvidia RTX 5000 cards show PCB hotspots that threaten longevity, says Igor's Lab | Cramped VRM layout, not GPU, blamed
During a sustained "torture loop" on a PNY RTX 5070 OC and Palit RTX 5080 Gaming Pro OC, Wallossek recorded temperature spikes in the power delivery areas...
Wallossek writes that the problem lies with the tightly clustered arrangement of FETs, chokes, drivers and via arrays in the area that funnel hundreds of amps through a postage-stamp-sized patch of copper layers. Key parameters in the guide are validated under ideal lab conditions rather than worst-case, high-humidity, poorly ventilated chassis scenarios that real gamers endure. Igor's measurements show VRM zones flirting with electromigration onset of around 80°C or even exceeding the glass-transition temperature of standard PCB resin of around 105 °C during heavy gaming loads.
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