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Some of Nvidia's RTX 4090 power adapters are, err... melting

Nvidia are working on a solution as we speak

Bad news for RTX 4090 owners this morning. Reports are coming in that the 16-pin power adapter for Nvidia's flagship RTX 40 series GPU is getting so hot it's actually melting the hardware, which is... err... not something you want happening inside your PC case.

The RTX 4090 has only been out for a few weeks, launching on October 12th earlier this month, but owners of the power-hungry GPU have been flocking to Reddit to share their experiences of their overheating power adapters. Industry testers are also now starting to share their own findings online, with HardwareLuxx, Igor's Lab and TecLab reporting similar issues.

Part of the problem seems to stem from users bending the adapter at home - sometimes a necessary evil when you're trying to fit the darn thing inside your case. However, this bending is causing some cables to become loose, which in turn is leading to temperature problems. Indeed, WccfTech are reporting temperatures of 100 degrees Celsius+ in their testing, which is *checks notes* yep, definitely too high.

Fortunately, Nvidia seem to be aware of the problem and are calling for third party manufacturers to send their damaged cards in for inspection.

Also fortunately, our hardware editor James hasn't (yet) encountered any of these prolems himself in his testing, but he found plenty of other problems in his RTX 4090 review that gave him cause for concern, including its high price: "How much? For a GPU that gets confused and upset running at resolutions below 4K, and seems to have trouble with older DLSS versions unless it's paired with similarly bleeding-edge CPU? There might be a tiny core of enthusiasts hungry for the best performance at any cost, but for everyone else, the RTX 4090's barriers to entry will rule it out as a serious upgrade option."

About the Author
Katharine Castle avatar

Katharine Castle

Editor-in-chief

Katharine is RPS' editor-in-chief, which means she's now to blame for all this. After joining the team in 2017, she spent a lot of time in the RPS hardware mines, testing all the bits that go inside our PCs, but now she gets to write about all the lovely games we play on them, too. She'll play pretty much anything she can get her hands on, and is very partial to JRPGs and the fetching of quests.

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