Best answer: Yes. The Surface Laptop Studio does support eGPUs thanks to its Thunderbolt 4 USB-C ports.
[h=3]Can Surface Laptop Studio use an eGPU?[/h]Thanks to Thunderbolt 4, the Surface Laptop Studio can use an external GPU. However, in our testing the eGPU compatibility has been a little buggy. It does work, and you can find yourself benefiting from huge performance increases by hooking up a more powerful GPU, but Windows can sometimes get confused and cause the display drivers to crash.
Full story from the WindowsCentral blog...