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Reddit user DallasGrave created a custom DIY modification to address overheating and melting concerns with the GeForce RTX 5090 power connector. The fix involves soldering a secondary pickup board directly to the graphics card's existing power header contacts, allowing a module mounted to the GPU to distribute electrical load across an auxiliary dual eight-pin setup. [1][2][3]
By spreading the power load across three sets of cables, the modification is intended to significantly reduce cable temperatures. Testing of the setup reportedly demonstrated temperatures holding around 40°C under a 550W load. [1][2]
An enthusiast modder has published a DIY solution for mitigating GeForce RTX 5090 power connector heat concerns, soldering an auxiliary power distribution board directly onto the card's 12V-2x6 PCB pads to split the load across two additional conventional 8-pin PCIe connectors, with testing reportedly showing cable...
Excerpt · Guru3D
Over on Reddit, user DallasGrave outlined the approach taken when developing the mod. In short, the fix utilizes a pickup PCB soldered to the contacts of the original 12VHPWR header that feeds an auxiliary dual eight-pin board. This effectively spreads the load across three sets of cables, which significantly reduces...
Excerpt · TechSpot
Reddit user u/DallasGrave shared a fix for his RTX 5090, one of the best graphics cards, whose 12VHPWR connector was overheating, along with an image of a module screwed onto the back of his GPU.
Excerpt · Tom’s Hardware