NVIDIA RTX 5090 GPU Connector Melting #gaming #nvidia #rtx #rtx5090 #rtx5080 @3DGAMEMAN
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Sources:
https://wccftech.com/12vhpwr-connector-reaches-150c-on-the-psu-side-when-connected-to-the-rtx-5090/
https://www.theverge.com/news/609207/nvidia-rtx-5090-power-connector-melting-burning-issues
https://www.tomshardware.com/pc-components/gpus/first-credible-report-of-rtx-5090-fe-with-melted-connector-appears-third-party-cable-likely-cause
https://www.tomshardware.com/pc-components/gpus/rtx-5090-cable-melting-claim-debunked-investigation-points-at-prior-rtx-4090-fe-cabling-usage
This article details a concerning issue with the 12VHPWR connector on the RTX 5090 graphics card, where the connector can reach extremely high temperatures in a short period, potentially leading to melting. Here's a breakdown:
The Problem: The 12VHPWR power connector on the RTX 5090 is experiencing excessive heat buildup, even under normal operating conditions like running Furmark. This heat can cause the connector to melt, as seen in previous reports.
Der8auer's Demonstration: Tech YouTuber Der8auer reproduced the melting issue using his own RTX 5090 FE and a Corsair 12VHPWR cable. He observed temperatures reaching 150°C on the PSU side and close to 90°C on the GPU side within just five minutes.
Root Cause: The issue appears to stem from an uneven distribution of current across the 12 pins of the connector. Der8auer's analysis showed that two specific wires were carrying over 20 Amps each, despite being designed for a maximum of 8 Amps. This overload is what causes the extreme heat and potential melting.
Not User Error: The article emphasizes that this is not necessarily due to user error, such as improper insertion of the connector. Der8auer's experiment used correctly connected components.
Not Cable Quality: The article also suggests that the problem isn't solely due to poor cable quality. Even a reputable Corsair cable exhibited the same high temperatures. The Moddiy cable, often used as an example of a high-quality cable, was also mentioned as being unlikely to be the cause.
Power Consumption: The high power consumption of the RTX 5090 is identified as a contributing factor. The article draws a parallel to the RTX 4090 melting issues, which were also attributed to the 12VHPWR connector's limitations at high power draws. The RTX 4080, with its lower power consumption, did not exhibit the same problems.
Potential Solution: The article suggests that the RTX 5090 might require two 12VHPWR connectors to distribute the load and prevent overheating.
In short, this article reveals a serious design flaw or limitation with the 12VHPWR connector when used with high-power GPUs like the RTX 5090. The uneven current distribution can lead to dangerous overheating and melting, regardless of user error or cable quality. This raises concerns about the long-term reliability of the RTX 5090 and potentially other high-power cards using the same connector.