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Nvidia confirms there are two manufacturers of RTX 4090 graphics card power cables, one of which will burn out

Several users have recently reported that the Nvidia RTX 4090 has the problem of burning the power cord, and Nvidia and its graphics card partners are looking for a solution.

According to the latest report from Igor’sLAB, Nvidia’s official investigation confirmed that there are two suppliers of 12VHPWR power lines for RTX 4090, and the problem is concentrated in one of the suppliers’ products.

Gabriele Gorla, director of engineering at Nvidia, revealed that the official 600W power cables bundled with all GeForce RTX 4090 graphics cards are manufactured by two Taiwanese companies, Astron Kenshang Technology and NTK Corporation.

According to reports, NTK’s power cord has a better locking system, using a single-spring contact instead of Astron’s two-spring contact design. Astron power cables are said to have lower durability and higher resistance than NTK cables. Nvidia is doing tests to measure how the connection cycle affects the resistance, which should normally not exceed 2 ohms.

▲ Astron (left) and NTK (right)

▲ 12VHPWR resistance/connection cycle

In addition, it is reported that Nvidia will use a dual 8Pin to 16Pin power cable for its upcoming GeForce RTX 4070 Ti, which is the third version after the 3×8Pin of the RTX 4080 and the 4×8Pin of the RTX 4090. However, Igor confirmed that Nvidia will not be using Astron’s power cables in this case.

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