Does the 2017 21.5” Non-4K iMac have a socketed CPU?Is the CPU on base model 2017 21.5” iMac EMC 3068 modular/socketed/removable as are the 4K models? I see info for 4Ks but...
Antwoord op "Can the iMac 2017 3.4 be upgraded to the i7 4.2?"Yes! Snazzy Labs has confirmed that the 3.4 GHz model is not only socketed and upgradable, but also that Apple puts the same heat sink/fan cooling system in all 3 versions of the 2017 27in models, so you can upgrade it AND still cool it well— or cool it better if you use s better thermal paste solution than the one Apple uses. http://www.snazzylabs.com/article/the-best-2017-imac-apple-doesnt-sell/