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So, why are we seeing melted cables again?

However, it’s not quite so simple.

NVIDIA RTX 5090 Founders Edition power adapter in box

NVIDIA’s RTX 5090 Founders Edition PCIe power adapter.

Der8auer states that “the RTX 4080 is perfect for one of these connectors [12VHPWR].

The 4090 and the 5090 should use two.

Then you would have sufficient headroom.”

12VHPWR on RTX 5090 is Extremely Concerning - YouTube

I’d love to recommend one cable that won’t melt, but at this time it’s impossible.

The real

NVIDIA GeForce RTX 5080 Founders Edition and RTX 5090 Founders Edition graphics cards stacked together

NVIDIA GeForce RTX 5080 Founders Edition (front) compared to RTX 5090 Founders Edition (rear)

NVIDIA GeForce RTX 5090 Founders Edition graphics card showing back side

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Nvidia CEO Jensen Huang addresses participants at the keynote of CES 2025 in Las Vegas, Nevada, on January 6, 2025.

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