- Someone made a tool for Asus Astral RTX 5080 and 5090 GPUs
- It’s designed to prevent a melting connector, shutting down the PC before this happens
- This third-party utility – and the response to it – shows the level of paranoia out there when it comes to this issue
Do you have a high-end Nvidia Blackwell GPU, and if so, are you worried about the perils of a melted power connector? It appears that definite concerns remain in this area, to the point that a new utility has been crafted to address those worries.
An enterprising Redditor has made their own open source tool for Windows which is designed for Asus Astral RTX 5090 and 5080 graphics cards, acting as a monitoring app that will (hopefully) step in to prevent any melting disasters before they happen.
The creator, Humza Khalid, tells us how the small utility, which is available to grab on GitHub, works: “It reads per pin 12VHPWR current straight from the card’s own sensor chip and force shuts down your PC if any pin stays over 9.5A for 15 seconds, before the connector can melt.”
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The idea is that it’s a lightweight and standalone app which is an easy way to defend against the situation where there’s a sustained level of too much current flowing to the Nvidia graphics card.
As noted, the PC is forced to shut down in these cases (in a safe manner, with any running or interfering apps being force-closed, we’re told), before any damage is done.
The creator has taken a suggestion on board from the comments, and Khalid notes that the tool will be changed from initiating a shutdown to dropping the power limit (via the Nvidia management API) for a much faster response. (Shutting down can take a while). That change will happen in a future version of the utility, Khalid tells us.
The creator also reminds us: “This only works on Astral 5080/5090 cards because those are the only ones with per pin sensors. Windows only, needs Python. And it doesn’t replace seating your connector properly, it’s a last line of defense not a first one.”
Analysis: default paranoia
That’s all good in theory, of course, but I’d always be careful about what you’re installing on your PC. Not to say this isn’t a trustworthy app – I don’t know whether it is or not, and that’s the point. However, it is open source, so that’s good, as it provides visibility into what it’s doing under the hood.
Another point to note is that a co-creator of the app is listed as ‘Claude’, meaning that this AI has been used in making the tool. Khalid explains that they wrote the original utility, but it was based on HWiNFO, so they wanted the app rejigged to be standalone, and Claude “did a lot of the rewrite”.
At any rate, Asus Astral GPU owners can make their own decision about what’s worth installing, or not, although I wouldn’t personally recommend installing a third-party utility from an unknown developer. As ever, if you do install such software, you do so very much at your own risk.
Regardless, what this does show is the clear level of concern about Nvidia’s RTX 5090 and 5080 GPUs. One Redditor sums it up: “As a 5090 owner, I can confirm the card comes with a default paranoia about bursting into flames.”
That received some pushback from other Redditors who said their overclocked RTX 5090s were just fine, and in turn, there was a further story relayed about a melting incident. Obviously, all that is anecdotal (on both sides of the coin), but the paranoia is real enough.
Cable melting worries began with the RTX 4090, of course, before the RTX 5090, and when we looked into the issues with the Blackwell flagship back at the start of last year, Nvidia firmly denied that any of this is its fault. Cable melts remain a controversial topic, though, and more recently we’ve even had a report of an exploding RTX 5090, no less, which PC gamers who run these high-end graphics cards probably didn’t take much comfort from.
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