Earlier this week, two Reddit users reported that the power connectors for the new, expensive Nvidia GeForce RTX 4090 GPUs has partially melted And that Nvidia was looking into the problem. Since then, at least nine additional Reddit users have posted the same issue with the 16-pin power connector (a thread that gathers all information about the issue is over here).
He also owns Igor Walusick from Igor’s Lab in German for hardware Take additional testsThe power adapter cable (instead of the GPUs or 12VHPWR connector) might be responsible for the problems, he said. The adapter, which was apparently manufactured by a company called Astro Supplied by Nvidia to all of its board partners, it uses “a total of four thick 14AWG wires spread over a total of six contacts,” with a thin solder base that Wallossek says can easily be damaged when the cables are moved or bent.
“If the two outer wires break, in the worst case, the entire current in the middle flows through the two remaining wires,” Walusick wrote. “The fact that this gets really hot doesn’t have to be explained separately.”
Nvidia adapter cable in contrast to the 12VHPWR cable supplied with Be Quiet! Dark Power Pro 13 power supply, one among the few latest ATX 3.0 PSU models Using a 12VHPWR cable that connects directly to the PSU rather than relying on a transformer. The cable is thicker than the one in the Nvidia adapter because each pin has its own wire, but it also runs cold and delivers reliable power to the GPU.
Wallossek also said that Nvidia has asked its partners to send all affected cards to Nvidia for further investigation and testing. We asked Nvidia about this issue and investigation earlier this week and will update if we receive new information.
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