User Upgradeable Everything: The New Mac Pro Is The Most Future Proof Mac Ever | Cult of Mac

"There was a time when one of the few parts of your Mac that you could upgrade was the CPU, but recently, Apple has phased out CPU upgradeability in favor of slimmer form factors with soldered-in silicon chips.
One surprising exception to Apple’s stance against user upgradeability, however, is the 2013 Mac Pro, which is now confirmed to have a processor that can be upgraded by the user."

Read more at http://www.cultofmac.com/260048/user-upgradeable-everything-new-mac-pro-future-proof-mac-ever/#SiFxgusqGXyXGM7k.99