This way, when I buy the integrated version, I know the chassis has been designed with the heavier airflow of the discrete-GPU version in mind. If I'm lucky, my integrated-GPU config might even use the identical size heat-sinks as the discrete-GPU version.
You can buy them from the manufacturer with no discrete graphics cards.
I have one with a card which is physically turned off for the same trick.
[0]: https://www.reddit.com/r/thinkpad/comments/9ohpyo/psa_t470t4...
Note that to this day it's magnitudes of order cheaper to build a desktop for crunching numbers. There's no beating the thermals of that, and thermals = cost either in money or time in this very physically-underpinned market.
Why can't laptop engineers just find a way to break physics, it's not that hard, Einstein did it...
edit: /s
