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Quoting because this is awesome.
The sad thing is how many here still believe that drek. What Apple's bean counters with T.C. realized that they will make MORE MONEY by "capturing the lost revenue" that they used to lose to savvy Apple users like me who bought their macbooks with base models and promptly upgraded the memory/storage for 2/3rd's off vs. the amount of money they would lose extra by having to replace the whole logic board for a bad memory chip or SSD. As most of my work is MacOS based, I just have to take the hit... And no thinness is not part of it as there are PC laptops in just as thin form factors that have DDR4 SODIMM sockets, and LPDDR4 isn't necessary to have good battery life thanks to the rMBP 16 showing the way...
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And no thinness is not part of it as there are PC laptops in just as thin form factors that have DDR4 SODIMM sockets,

Not anymore. The slimmest PC laptops are now soldering in RAM. Example: Lenovo X1 Carbon Gen 7, X1 Yoga Gen 4, Yoga C940, HP Spectre Folio 13, Elite Dragonfly.

It's not just thinness: anything that uses LPDDR requires soldered-in RAM because the signals are too low-power to handle a socket.

Even the corporate-line Lenovo T490, which isn't that thin, solders in the first bank of RAM to eliminate one slot.
 
Not anymore. The slimmest PC laptops are now soldering in RAM. Example: Lenovo X1 Carbon Gen 7, X1 Yoga Gen 4, Yoga C940, HP Spectre Folio 13, Elite Dragonfly.

It's not just thinness: anything that uses LPDDR requires soldered-in RAM because the signals are too low-power to handle a socket.

Even the corporate-line Lenovo T490, which isn't that thin, solders in the first bank of RAM to eliminate one slot.
I guess I should've been more clear, PC laptops that have same thinness as MBP's, those are mostly still using sockets. LPDDR4 does save power and allow a smaller battery, but thanks to slowpoke intel that is still selling us a hoary 14nm process, we're stuck anyway with DDR4 if you want more than 16gb of ram which many power users (like me - ordered 32gb) want.
 
The paradox of the MBP 16" is that the upgrade from 16gb to 32gb costs $400 and the upgrade from 32gb to 64gb also costs $400. So if I really needed 32gb I would probably go directly for the 64gb. Because $800 for 64gb is much better value than $400 for 32gb. But as I said, if I needed... 16gb is probably still ok for next 3-4 years.
 
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Not anymore. The slimmest PC laptops are now soldering in RAM. Example: Lenovo X1 Carbon Gen 7, X1 Yoga Gen 4, Yoga C940, HP Spectre Folio 13, Elite Dragonfly.

It's not just thinness: anything that uses LPDDR requires soldered-in RAM because the signals are too low-power to handle a socket.

Even the corporate-line Lenovo T490, which isn't that thin, solders in the first bank of RAM to eliminate one slot.

manufacturers using cheapest solution which is soldered memory to save some $$$$, they don't care about users or future upgradability
 
Sadly, It's been this way since 2012. You know because all the pre 2012 rMBP's ram modules would just randomly get loose and cause the sockets to fail causing Apple major headaches and costs in returns and warranty work. /s
That didn’t happen, but there were plenty of cases of third-party SIMMs which had slightly different timing, and as a result the Mac would occasionally crash or hang. Apple eliminated the problem but they overcharge the consumer
 
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