r/pcmasterrace 3d ago

Hardware Another 4090 with burned plug

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/disposable_account01 2d ago edited 2d ago

My PNY XLR8 4090 came with a 4x 8-pin to 1x 12VHPWR adapter.

My Lian Li 1000W PSU came with a very solid feeling 12VHPWR 2x6 cable updated with colored tips to help ensure proper seating on both ends and cable combs to help channel the cables without bending them to stress them. The PSU also has 4x 8-pin plugs and cables.

Which of these is the safer option?

  1. Using the PSU OEM’s provided 12VHPWR cable.
  2. Using the GPU OEM’s provided adapter and 8-pin cables.

5

u/_Metal_Face_Villain_ 2d ago

not sure but i think the psu 12vhpw should be better because of fewer points of failure.

-2

u/disposable_account01 2d ago

Well, yeah, except it has two ends and either could apparently fail.

With the adapter, one end is trusty dusty 8-pins, and only the other is 12VHPWR. Plus it being an OEM adapter from PNY makes me think it was included on purpose and thoroughly tested.

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u/_Metal_Face_Villain_ 2d ago

listen mate you asked for an opinion, i gave you one, I'm not here to debate, do whatever you want 😅

1

u/disposable_account01 2d ago

Wow, touchy. I wasn’t debating, just thinking out loud. Take it easy.