- A Reddit consumer’s RTX 5090 has partially melted a PCIe riser cable
- A number of the riser cable’s materials is caught on the RTX 5090’s backplate
- It is not as severe a priority as connector melting points, however it’s value being cautious about riser cable and GPU spacing henceforth
Constructing a brand new gaming PC in 2026 and past is a troublesome ask for any gamer amid the RAM disaster, and that is why this case of warning round {hardware} parts is significant.
As reported by TweakTown, a Reddit consumer has reported {a partially} melted Lian Li PCIe riser cable resulting from warmth from direct contact with the Asus TUF GeForce RTX 5090 backplate. The fabric chipped away from the riser cable is obvious on the GPU’s backplate, however happily it is not a considerable quantity.
Riser cables are an excellent resolution for any PC builder aiming for a small case that may match bigger GPUs by inserting them in a vertical place. On this case, the consumer particularly notes that the riser cable was caught in opposition to the GPU’s backplate throughout a routine PC cleanup, suggesting that the GPU’s warmth melted the riser cable’s insulation.
It should not come as an enormous shock that the RTX 5090 is concerned in a case of parts melting (even when it’s totally minimal). In case you have missed them, there have been a number of circumstances of GPU power cables melting with RTX 5090 GPUs, which stems from the high power draw (575 W).
It’s important to note, though, that this can happen with other GPUs across AMD’s Radeon and Nvidia’s RTX cards, especially those that can get quite toasty under heavy load. However, Team Green’s flagship is likely more prone to melting complications, made worse when using cheap riser cables or GPU power connectors.
Fellow Redditors argue that this is not a melting concern, because it seems the riser cable has been chipped away as an alternative. Whatever the actual trigger, it is best to make use of this for example to proceed with warning when mounting a brand new GPU.
If utilizing a riser cable is required resulting from area limitations, customers should present sufficient clearance for each the GPU and the riser cable to keep away from direct contact. It is an amazing factor that this consumer caught on to the matter earlier than any actual concern arose.
We have reached out to Nvidia to see if it has any touch upon this specific case, however have not acquired a response but — however I am certain the identical warning of warning will likely be shared.
We have seen uncommon however far worse circumstances of GPUs melting, and given how costly it could be to purchase new PC {hardware}, I might go as far as to counsel customers be overly cautious.
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