Intel Recommends 4 Spring 12VHPWR Male Power Connectors over 3 Dimple Design

Peter_Brosdahl

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NVIDIA and its AIB partners had begun transitioning to a 16-pin 12VHPWR connector with its GeForce RTX 30-series cards and fully committed to it with the launch of the GeForce RTX 40 series. Eventually, after extensive testing, it was discovered that the culprit for the melting connector phenomenon was improperly seated cable plugs. It is because of this that Intel recommends using a specific type of male connector for the cables to help ensure a greater contact area to reduce the temperature rise of each contact.

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I will say the design is still not the best. I've got 3 different cards with this connector now and for each one the experience of getting that thing fully seated can be tricky. Seems to me like it takes a bit more effort than it should and I do sometimes worry about busting the port off the PCB with the amount of pressure it can take to get to get that connector inserted all the way.
 
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