A user on Reddit has come forward with a troubling incident involving the MSI GeForce RTX 5090, where the GPU’s 16-pin connector melted not once, but twice within weeks of use.
Redditor Reports Dual Instances of Melting 16-Pin Connector on MSI RTX 5090; Attributes Issue to Usage of Corsair SF1000 PSU and MSI Adapter
This concern extends beyond the Ryzen 7 9800X3D users, as RTX 5090 owners are also facing similar challenges. The occurrence of 16-pin power connectors melting on GeForce RTX 5090 models has become increasingly prevalent. For users like u/Deja_, experiencing this problem twice consecutively can be exceedingly frustrating. While some instances may stem from user mistakes, others seem to result from multiple contributing factors that lead to connector failures. Reports indicate that the design flaws of the connector itself play a major role, as highlighted by the Reddit user’s observations.
The individual in question owned the MSI GeForce RTX 5090 Gaming Trio model, which comes packaged with an MSI yellow-tip adapter. Notably, instead of utilizing the dedicated 16-pin cable provided with the Corsair SF1000 power supply, which is compliant with the ATX 3.1 specification, the user opted for the MSI adapter. Despite the SF1000 including a 12VHPWR connector cable, reports indicate the GPU experienced connector melting issues as early as July. Following a return through the RMA (Return Merchandise Authorization) process in August, the user’s replacement GPU also succumbed to the same issue in under two months.
According to the user, they relied on the MSI yellow-tip adapter rather than switching to a straightforward 12V-2×6 or 12VHPWR connector. This choice may explain the accelerated melting of the connector, particularly as the 4×8-pin to 16-pin adapter has earned a reputation for complications with load distribution. Despite the user asserting that connections were secure, guaranteeing the yellow tip was fully inserted into the GPU connector, the underlying design flaws persisted, leading to inadequate current distribution.
In light of these occurrences, the common denominator seems to be the use of the MSI adapter, although some speculate that the Corsair PSU may also share in the blame. Such incidents often emerge from a blend of issues, and in this particular case, at least two contributing factors are evident.
To stay informed about this ongoing issue, check the discussions on platforms like Reddit and updates from industry sources such as @unikoshardware.
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