Nvidia GeForce RTX 4090 with 16-pin adapter.

Nvidia’s Melting 16-Pin Connectors on RTX 4090: All We Know

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Some Nvidia GeForce RTX 4090 graphics cards are having melting issues — meltdowns, if you will. Specifically, there have been a several reports that the 16-pin 12VHPWR adapters (used to convert multiple 8-pin PCIe power connectors to the new ATX 3.0 standard) that provide the power to the card have partially melted. In some cases, so has the 16-pin connector on the card itself.

It’s unclear how widespread of an issue this is. Don’t get us wrong — melting components are not safe. But there are, as of this writing, only fewer than 30 reports compared to what we imagine is a much larger pool of graphics cards. Nvidia has made a point of showing “lines around the block” for the 4090 (opens in new tab), and the fact that cards arestill hard to find suggests the company is selling everything it can make. In other words, while these incidents are very serious, they may be statistically rare.

Most of the melting reports are coming from anonymous users on social media, often on Reddit and other forums. These have included numerous models of the RTX 4090, including Nvidia’s own RTX 4090 Founders Edition.

Here’s what we know about the issues with the 16-pin 12VHPWR connector incidents so far.

What is happening?

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