In 2022, RTX 4090 graphics card owners made many complaints about their power cables melting or even burning. This incident damaged Nvidia’s reputation and led to a class-action lawsuit. The company’s internal investigation indicated that the problem was mostly caused by user error, namely improper cable insertion. However, some users did not find this explanation sufficient. Additionally, warnings made by PCI-SIG revealed that 12VHPWR adapters used with old ATX 2.0 power supplies could overheat.
After these problems, Nvidia Switched to 12V-2×6 power cables and confirmed that this new standard is reliable. Subsequent independent testing revealed that the cables maintained safe temperature levels even when installed incorrectly. Nvidia, at the RTX AI event held in 2025, I have not received any cable complaints for two years. explained.
Competing manufacturers Intel and AMD still use older 8-pin power connectors. This choice stems from the fact that this standard, known for its reliability especially in power consumption below 300W, is sufficient for mid- and entry-level cards.
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Source link: https://www.donanimhaber.com/nvidia-rtx-50-serisinde-guc-kablolarinin-erimeyecegini-soyluyor–186874
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