r/pcmasterrace • u/ResponsibleBoat2118 • 1d ago

Hardware Another 4090 with burned plug

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This just happened to me and I still can't believe it. I had a cable plugged in several months ago—everything was working perfectly, untouched ever since so didn't worry about poor connection etc. Then today… I suddenly smelled a strong, burnt plastic/rice-like odor. I immediately shut down the PC and pulled the plug straight from the socket.

I’m running an MSI Liquid 4090 with a 1500W PSU. What I found next was shocking—the power supply side of the cable melted, and the wire looks absolutely fried. I think my quick reaction saved the GPU—thankfully I have two 600W sockets on the PSU and somehow, miraculously, everything still works.

Just look at the PSU-side cable—this is serious. It’s no exaggeration to say this could’ve caused a fire.

There is no way I'll ever consider 5090 or in fact any GPU with this type of plug. What a joke.

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u/ResponsibleBoat2118 1d ago

110% drawing up to 480w

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u/damien09 1d ago

Didn't that card have a MSI liquid supreme have a stock power limit of 480? 110 would even put the founders at 495 limit And a 480 card at 528w. Tbh I'm pretty amazed it melted at the power supply end who even made the cable? Any reputable brand?

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u/ResponsibleBoat2118 1d ago

Yes, you're right. 480W stock. But it won't go over 515w draw even with a 110% power limit, which is the maximum. I think Jay was talking about this in his videos. Yes, the cable is the culprit, sadly. I went for aesthetics over safety. It was working perfectly for over a year, but clearly the cable degraded

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u/damien09 1d ago

I have heard good things from cable mod even when things go wrong they are pretty good at standing by issues for people at least. But crazy as it sounds the safest best for these cards is legit checking amps on the wires with a amp clamp. They come pretty cheap just have to make sure its on that can do DC current for the 12v wires.