Troubleshooting overheating issues with my cracking rig

[JusticeRage]

Thanks a lot for all your help on this topic. The overheating issues seem to be solved!
I'll leave a picture of the card (let's say all the photos I posted are CC BY-SA) with the back-panel removed in case it's useful for someone else:



Obviously, raising fan speed to 100% in nvidia-settings also helped a lot.