@Fringe09 - Corsair has just released ICUE v5.2.128 which is using an updated CPUID SDK. Finally, ICUE can display the NVIDIA 40-series Hotspot temperature.
None of the 40-series GPU's will show the hot-spot temperature under ICUE at this time. I've been pushing (and querying why the 30-series can) on the forums for this since the release of the 4090 (I have a TUF 4090 OC).
EK blocked 4090 TUF OC /12900k - my score for Speedway is a bit north of 10k at stock.@Chunggy - check the mounting pressure of your GPU block. I know that 30-series cards were prone to run at 410MHz if the mounting pressure was too great.
Have you updated the VBIOS for your 4090? It may help with your issue...Both the TUF and Strix 4090's have a VBIOS update (V2.0) that address the issue of the card having issue on low or idle loads. If you look at the Support page for your card, you'...
