HardwareGraphics CardsA repair shop reveals the RTX 4090 melting connector problem remains worryingly widespreadWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
HardwareGraphics CardsA repair shop reveals the RTX 4090 melting connector problem remains worryingly widespreadWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
Reports of melting 12VHPWR power connectorssurfaced almost immediatelyfollowing the launch of theRTX 4090back in October 2022. The issue was supposed to have been put to rest after Nvidia investigated the issue and released revised models featuring the updated12V-2x6 connector, but it’s still rearing its ugly melted head in the year and a half since it launched.
NorthridgeFix, a Los Angeles based electronics repair company estimated it received around 200 cards and adapters with melted connectors over a period of just one month. NorthridgeFix doesn’t state whether the problem cards feature the older or newer connectors.
Recently,CableMod issued a recallof its original V1.0 and updated V1.1 angled 12VHPWR adapters due to the risk of a fire hazard. However, the video above points out that the CableMod adapter are actually “a great product” and that even adapters with the highest quality materials can fail if the foundation they are built on is faulty.
The exact cause of the failures was hard to ascertain as failures were difficult to replicate. Early investigations pointed towards Astron made connectors beingmore prone to failure, while other reports suggested the connectors were not fully inserted, or the cables themselves were bent.
Personally, I won’t be trying to replicate anything with my RTX 4090, thank you very much.
Your next upgrade(Image credit: Future)Best CPU for gaming: The top chips from Intel and AMD.Best gaming motherboard: The right boards.Best graphics card: Your perfect pixel-pusher awaits.Best SSD for gaming: Get into the game ahead of the rest.
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(Image credit: Future)Best CPU for gaming: The top chips from Intel and AMD.Best gaming motherboard: The right boards.Best graphics card: Your perfect pixel-pusher awaits.Best SSD for gaming: Get into the game ahead of the rest.
(Image credit: Future)
Best CPU for gaming: The top chips from Intel and AMD.Best gaming motherboard: The right boards.Best graphics card: Your perfect pixel-pusher awaits.Best SSD for gaming: Get into the game ahead of the rest.
The apparent randomness of the failures would add weight to NorthridgeFix’s claim that early revisions of the RTX 4090 connector design itself is to blame. I have an RTX 4090 Founders Edition, and I frequently swap it in and out of my main test rig. However, I do leave the 12VHPWR adapter installed, and unplug it from the four 8-pin power connectors from my power supply. The card has never had an issue—I hope I didn’t just jinx it.
The revised 12V-2x6 connector has shorter sensing pins while the conductor terminals are longer. This helps to ensure the cable has been properly inserted. It’s also back compatible with existing 12VHPWR connectors and cables. Power supplies and cables with the 12V-2x6 connector are already appearing in the market. At least some RTX-40 series cards have alsoincorporated the new connector.
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Nvidia is certainly paying attention. Let’s hope that upcoming RTX 50-series cards avoid this problem altogether. Interestingly, AMD and Intel have shown no interest in adopting the 12VHPWR standard to date. Will their next-gen offering make the move to 12V-2x6, though?
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