Nvidia Responds to RTX 5090 Power Connector Melting Issues

With the Nvidia RTX 5090 priced at $1999, there’s a growing concern about a potential melted power connector. This issue previously affected the RTX 4090, leading both Nvidia and third-party manufacturers to update their cabling solutions. The revamped 12V-2×6 16-pin cable has helped reduce incidents, but the new flagship GPU demands even more power. A Korean tech site, Quasar Zone, reported that Nvidia attempted to ease worries about this problem at a recent press event.

Initial Concerns and Blame

Soon after the RTX 4090 launched in October 2022, users began to voice complaints about overheating connectors. Nvidia initially pointed the finger at users, suggesting that improper seating of the connector could result in melting. However, this explanation didn’t sit well with many seasoned system builders. Ultimately, Nvidia encouraged the shift to the newer 12V-2×6 cables included with the more recent RTX 4090 cards. This change nearly eradicated instances of damaged GPUs, although older models with the previous connector were still available for sale.

Power Draw and System Stress

The earlier versions of the RTX 4090 came equipped with the 12VHPWR connector, capable of handling a 600-watt power draw. In contrast, the updated 12V-2×6 cables are designed to be more robust, featuring shorter and more efficient pins. The RTX 5090 requires 575 watts, an increase from the 450 watts of the previous generation Nvidia GPU, putting additional strain on power systems. Nevertheless, during the GeForce Update Editor’s Day in 2025, Nvidia expressed confidence that the 12V-2×6 connector would avert future issues.

Manufacturer Innovations

Not every manufacturer of the RTX 5090 is convinced that the standard 12V-2×6 design is sufficient. MSI has opted for yellow-tipped power adapters, which provide a clearer indication of a secure connection. With the new Nvidia GPU set to launch on January 30th, testers are currently pushing its performance limits. Should any issues arise due to the high power demands, it is hoped that potential buyers will be informed before making a purchase.

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