Hidden Hotspot Sensor on Nvidia's RTX 50 GPUs Still Readable via Internal Tool
A repair specialist found that Nvidia's removed hotspot temperature readout remains accessible on Blackwell gaming GPUs using the company's internal MODS diagnostics software.
Ada Okonkwo
Startups & VC Editor · Lagos
Nvidia's decision to remove public access to the hotspot temperature reading on its RTX 50 series graphics cards has come under fresh scrutiny after testing showed the underlying sensor is still present and can be read with the company's own internal tools. The finding, reported by Tom's Hardware, matters for the global PC hardware market, where enthusiasts, reviewers, and repair shops across Europe, Africa, and beyond rely on accurate thermal data to diagnose and maintain high-value components.
What the testing revealed
When the RTX 50 series based on Nvidia's Blackwell architecture launched, reviewers noticed that the hotspot temperature was not being reported correctly in common monitoring utilities such as HWiNFO and MSI Afterburner. It later emerged that Nvidia had removed the ability to monitor the hotspot figure altogether, though the sensor hardware itself was left in place on the GPU.
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