Nov 24th 2023 Special Chinese Factories are Dismantling NVIDIA GeForce RTX 4090 Graphics Cards and Turning Them into AI-Friendly GPU Shape (47) When Nvidia launched the RTX 4090, the card was almost universally praised for the performance uplift it offered while also being not very expensive compared to its predecessor, the RTX 3090. In fact, the RTX 4090 is probably the most recommended card among all the other RTX 40-series GPUs, except maybe the 4070, as most of the Ada Lovelace (RTX 4000) GPUs offer terrible value. We at Tom's Hardware haven't tried any third-party cables. ATX 3.0 PSUs should work, as those cables don't require adapters for the 16-pin connector. However, there are still at least a couple of reports of direct PSU connections melting. As our brand is known for highest quality standards, we treat this seriously and have initiated an investigation. Several have said that they have heard from Nvidia or other card vendors after reporting their melting connector, or that they have received a replacement card.

Some Nvidia GeForce RTX 4090 graphics cards are having melting issues — meltdowns, if you will. Specifically, there have been a several reports that the 16-pin 12VHPWR adapters (used to convert multiple 8-pin PCIe power connectors to the new ATX 3.0 standard) that provide the power to the card have partially melted. In some cases, so has the 16-pin connector on the card itself.Nvidia has suggested that the issue is caused because 16-pin adapters are not being plugged completely into the graphics card. The new NVIDIA GeForce RTX 3090 Ti graphics card is the first to use the new 16-pin PCIe 5.0 power connector. Amphenol ICC confirmed that the connector is designed for 600W graphics cards. It didn't specify whether it's for gaming or data center graphics cards. However, the company did list AI and cloud, gaming consoles, graphic interface, networking, server and storage as potential target markets for the connector. Some companies are already announcing new adapters for the GPU. CableMod, for instance, has a right angle adapter that it says requires less bending. What has Nvidia said about all of this? Nvidia and our partners are committed to supporting our customer and ensuring an expedited RMA process, regardless of the cable or card used.”

While right-angle adapters can reduce cable bending, owners aren't out of the danger zone yet. Remember that the 12VHPWRpower connector has a service life of 30 connection cycles. PCI-SIG detected the same mating issues around 40 cycles. Here's what we know about the issues with the 16-pin 12VHPWR connector incidents so far. What is happening?It replaces the 12-pin plug that was on previous GeForce RTX 30 series Founders Edition cards and can provide up to an incredible 600W of power to the GPU. In comparison, older 8-pin connectors only supply up to 150W each. Despite the PCIe 5.0 connector having 16 pins, its overall size has still been reduced to something similar to that of the older 8-pin connector. The distance between the power pins has been reduced from 4.2mm to 3mm, and the connector measures just 18.85mm long. It's not tiny, but it still occupies much less space than three 'traditional' 8-pin PCIegraphics power connectors.

Nov 4th 2022 AMD Radeon RX 7900 XTX Performance Claims Extrapolated, Performs Within Striking Distance of RTX 4090 (164) The company said that in testing cables returned from customers, a "wear line" can be seen, suggesting that the cable wasn't fully inserted into the connector on the card. What has the PCI-SIG said about this?

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