Although Nvidia’s high-end solution, the GeForce RTX 4090, is a leader in performance, it is also at the forefront of power consumption. Finally, it was revealed that the 16-pin power connector on the RTX 4090 graphics card and the converter cables coming out of the cards’ box were insufficient in energy transfer. Nvidia quickly made a statement about this situation.
RTX 4090 cards are only just getting in to new users’ systems and for now this “meltdown” problem doesn’t seem common, but it doesn’t affect the severity of the issue. In addition, melting and burning occurred in the new 12VHPWR adapter cable (16-pin to 4×8-pin conversion cable out of the box) and 16-pin connector on the Gigabyte RTX 4090 and Asus RTX 4090 cards for now.
On the other hand, Nvidia spokesperson Bryan Del Rizzo announced that they are investigating the issue and contacting card owners who have the problem. Nvidia has made the 16-pin power connector, which it first used in the RTX 3090 Ti, standard on its new generation cards. Designed for ATX 3.0 power supplies, the 12VHPWR power connector allowed higher and more stable energy transfer.It is recommended to connect the cable correctly
The problem with these seems to be caused by the converter cable that comes out of the cards’ box. According to the reports, the quality of the converter cable plays a key role. Because the RTX 4090 demands a power of more than 600W under heavy load.How to connect the RTX 4090 power cable?
Therefore, if a converter cable is to be used, it is necessary to pay attention to its quality. Another thing to watch out for is bending the 12VHPWR power connector. Bending the cable to 35mm from the connection point as recommended. It is recommended to keep the joints free from bending as much as possible, but considering the size of the RTX 4090, it seems that this can only be done in large volume cases.Behind all these recommendations lies the fact that the 12VHPWR connector and terminals are much smaller than the previous generation. Therefore, if you bend the wires too close to the connector, some terminals may become loose. Earlier in September, PCI-SIG noted that the 12VHPWR connector could burn and melt under certain circumstances.
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