459
Framework proved repairable laptops can work, but almost nobody is willing to buy one
(www.xda-developers.com)
This is a most excellent place for technology news and articles.
The heat from use damages integrated parts equally. Laptops and phones are disposable and shouldn't waste on modularity because when one part goes, typically the rest follow. Modularity adds bulk weight and can interfere with cooling. A lot of those modules can be replaced by cheaper, and more convenient specialty cables.