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Attention Nvidia GPU Users: Caution with Riser Cable Configurations

Published on July 7, 2026

Using an RTX 5090 with a riser cable can pose overheating risks. Discover the precautions to take.

Image : techradar.com

The Risks of RTX 5090 Overheating

Nvidia graphics card users, especially those equipped with the iconic RTX 5090, need to be cautious when integrating riser cables into their PC setup. A recent incident highlighted potential overheating risks, particularly when the card is placed vertically using a riser cable.

A Revealing Incident

A Reddit community user reported that their Lian Li riser cable had partially melted. The cause? The heat emitted by the backplate of their Asus TUF GeForce RTX 5090 card. Fortunately, no serious consequences were observed, but the event underscores the importance of properly spacing components to avoid direct contact that could cause overheating.

Why This Concern?

The RTX 5090, with its high power consumption of 575 W, is known to generate heat, which can pose problems in compact setups. Riser cables allow for space optimization in smaller cases, but they must be handled with care to prevent the heat from the graphics card from damaging them.

Using low-quality riser cables or inappropriate electrical connectors can exacerbate the problem. It is crucial to choose quality components and ensure good ventilation to dissipate heat effectively.

Other Implications for GPU Users

This issue is not exclusive to the RTX 5090. Other graphics cards, whether from AMD or Nvidia, can also encounter similar incidents, especially when under heavy load. Users must remain vigilant and consider other solutions to manage heat in their systems.

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