“Vhen rockets go up, who cares vhere zey come down? Zat’s not my department!”

Sarcasm aside, you can buy these in dev kits on MicroCenter:

https://www.microcenter.com/product/691058/nvidia-jetson-orin-nano-super-developer-kit

Which means the components are pretty widely available. I’m not sure how you’d prevent someone from ordering a bunch to an in-between country and then shipping them on to Russia after.

Ukraine-Russia war is in the interest of the USA