Users experiencing RTX 4090 16-pin overheating incidents opt for homemade remedies to prevent further damage
16-Pin Woes: Sizzling Tales and DIY Fixes for Beyond-Lucky Users
High-end graphics cards like the GeForce RTX 4090, and future models such as the GeForce RTX 5090, continue to face issues with their 16-pin (12VHPWR) power connectors, suffering from meltdowns, overheating, and out-of-control failures.[1][2] Unlucky owners share their harrowing experiences, while some ingenious users offer DIY solutions to reduce the risks.
In a recent Reddit post, malcanore18 recounted a troubling tale of melted pins on his GeForce RTX 4090. To prevent future incidents, the user added miniature fuses to the power cable, intending for one to blow if a pin draws too much power, causing the other fuses to follow in line.[1] While this Band-Aid might not be visually appealing, it's less daunting than card repair costs. Another Reddit user suggested using resettable fuses to ensure the fuses can automatically reset themselves after a power-draw spike.
Jlodvo demonstrated the power of unity when he presented another solution for the 16-pin conundrum, opting to remove the power connector from the card entirely and directly soldering the wires to the graphics card. This should work with modular power supplies, allowing for easy disconnection during the removal of the graphics card from the case.[1]
IMI4tth3w offered a creative alternative for an L40 with a melted 16-pin power connector, primarily caused by a faulty third-party cable.[1] By removing the connector, he managed to reverse-engineer the cables and utilized two standard 8-pin PCIe power connectors. Yet, keep in mind that this solution may not apply universally, as it only works with graphics cards featuring a pigtail version of the 16-pin power connector like the L40.[2]
Frustratingly, these connector mishaps still happen, even with costly Nvidia graphics cards.[3] Although various theories abound as to the root cause of these meltdowns, no definitive answer from Nvidia has surfaced. In the meantime, nervous owners of GeForce RTX series cards might wonder if they'll ever be harmonious with their smell-free, undamaged plastic kids.[1]
Manufacturers have begun taking proactive steps to mitigate this problem. For example, the shift from the 12VHPWR connector to the longer-pinned 12V-2x6 connector in upcoming models aims to rectify insertion issues and ensure a sturdier fit, minimizing user error and overheating.[4] In addition, manufacturers such as ASRock have started producing power supplies with thermal sensors on GPU power cables, which can shut off power if overheating is detected.[4]
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For a more hands-on approach, try implementing color-coded or yellow pin connectors to reduce the risk of user error and overheating.[4] Also, ensure proper cable insertion, regularly inspect connectors for any signs of deformation, maintain good case airflow, use only certified cables, and periodically examine the connector area for discoloration.
In contrast to the troubles faced by some users with the 16-pin power connectors on high-end graphics cards like the GeForce RTX 4090, innovative solutions have been proposed in online forums, such as adding miniature fuses to the power cable [1] or modifying the card by soldering wires directly to it [1]. On the other hand, smartphone users might find interest in new technology that incorporates gadgets designed to ensure safe power delivery and reduce the risk of overheating.
