‘I am interested in upgrading the graphics capability of my new intel nuc10i7fnh pc. Specifically to get a better experience with flight simulator 2020. At 4K with the build in graphics adapter I get about 1FPS, with all the other realism rendering turned to minimum. Any help is appreciated.
You'll require a Thunderbolt 3 eGPU dock, and a suitable GPU to install into it (unless you're purchasing an AIO unit), but bear in mind the PCIe bandwidth is essentially just 4x lanes so it does come with some overhead penalty for gaming.
Obviously these are not cheap, but the following link should point you in the right direction:
You'll also need to install the ThunderBolt 3 controller driver, plug the eGPU in, authorize the connection and it should then become available.