looking for best cooling in high end laptops

Folks could help you better if you can give us an indication of the average ambient temperature in the room where you mainly use the laptop.
 
High I am looking for a 17" laptop GPU 1080,CPU Intel core i9-8950 HK Ram up to 64GB or higher. full ssd 7200 rpm,2 TB upgradable,Minimum resolution display 2560x1440 or a 4 K high refresh rate 120Hz or higher, My budget is up to $8000. I would like it to last for 5 years. I am worried about cooling in such a beast!! I can go up to 10 lbs. what other suggestions do you folks have .what about Samsung 2TB-4 TB.how is all this going to affect cooling and performance. I am just a beginner but my 2 laptops a Lenova and a Qosmio are just about dead. Almost 10 years now for the 2 off them. thanks for your help. Randy
 
I'm out. I fix 'em but I don't buy them any more overspecced than my own needs require and they are for office use.

I'll call in the cavalry on my way out.