for anyone who wants to offer actual advice: its a lenovo thinkpad t450 with a soldered i5-5300U that hits over 90C when running cargo compiles. I have changed the thermal paste and it didn't do much.
Just leaving this here in case you don't know: there are also the Framework laptops, which are designed to be modular, upgradable, and have easy to buy replacement parts.
They even sell motherboards, so you can now get a e.g. Intel Core Ultra motherboard for your 3-4 year old laptop.
Of course It's a bit more expensive than a used 10 year old Thinkpad, but it kind of competes with other high end laptops, and it is cheaper especially when you consider it's designed to last more
(Not a sponsored post, just glad there is a company that makes such products, and that when I broke a part I could just go to their store and order a replacement instead of searching for serial numbers on random online stores etc like I've done before)
"peak build quality and repairability" not anymore.
repairbility by 2015 standards isnt great, by today standards its average to good. that's a problem because the aging CPU can't be changed.
A few months ago when I had to replace my shitty HP laptop from 2018, I found a secondhand Thjnkpad model from 2013 for 90€ which was better in every way.