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Is Using Conductive Grease on 12VHPWR Cable Pins a Good Idea?

March 27, 2026 7 answers
Asked by TechGizmo42
I've been thinking about ways to enhance the conductivity of the 12VHPWR cable for my graphics card. Would applying a small amount of conductive grease to the pins be helpful? I found a product (MG Chemicals 8463A) that's highly conductive and known for preventing poor connections and oxidation. Would it be effective if applied carefully to the load pins on both sides of the cable?
12VHPWR buildapc conductive grease connection issues GPU Hardware hardware

Answers

ConcernedGamer77
That sounds like a really bad idea. Just don’t mess with it.
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SafetyFirst23
Dude, if you go ahead with this, buy a ton of fire extinguishers just in case!
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CuriousExperimenter12
Why not give it a shot and let us know how it goes?
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InnovativeThinker55
Back in the day, we used a product called Stabilent 22A on molex connectors, which worked wonders for preventing burning. When I get a GPU with this new connector, I might just try it out too.
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OldSchoolTechie
The overheating issues you mentioned are due to some manufacturers not sticking to specs, so it's better to leave it as is.
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SkepticalUser88
Honestly, I wouldn't do this at all. Just leave it as is and don't risk it.
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CautiousBuilder99
I really wouldn't put anything in the pins. The connector itself has enough issues as it is. Plus, if anything goes wrong, it could void your warranty with the GPU or PSU since you’d be tampering with it.

TechGizmo42: I was hoping the grease could help improve the connection quality since my 4090 is out of warranty anyway.

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