NVIDIA RTX 5090 Connector Melts Despite Preventative Hardware Modifications

An owner of an NVIDIA RTX 5090 recently reported that their power connector melted, despite taking extreme physical precautions to ensure the cable remained straight and free of tension. The user had modified their PC case by creating a cutout in the mesh side panel specifically to accommodate the 12VHPWR cable, aiming to prevent the bending that has been previously linked to overheating issues in high-end graphics cards.

According to the original publisher, Lowyat.NET, the incident was first shared by a user on the Chinese platform Bilibili before the post was subsequently deleted. The user clarified that they were utilizing a 1200W power supply unit manufactured by the brand Goghunters, specifically the Fire F12 model. The owner maintained that the system was running at stock settings with no overclocking or undervolting performed.

The failure occurred despite the user’s efforts to ensure the 16-pin cable was not subjected to the sharp angles or pressure often cited as a cause for connector failure. This event has caused frustration for the owner, who expressed disbelief that the melting issue could still occur even after such comprehensive measures were taken to prevent cable stress. The post included photographic evidence of the damaged interface on the card.

The persistence of the 12VHPWR connector melting issue remains a significant point of concern for PC enthusiasts and hardware builders in Malaysia. As high-performance components like the RTX 5090 become more common in local enthusiast rigs, incidents such as this highlight ongoing challenges regarding power delivery reliability. For users investing in top-tier hardware, the incident serves as a reminder that even proactive cable management may not fully mitigate the technical risks associated with current high-wattage power standards.