MKBHD via MacWorld: https://www.macworld.com/article/3242187/macs/imac-pro-shipping-december-14-ram.html https://www.macworld.com/article/3242187/macs/imac-pro-

MKBHD via MacWorld: https://www.macworld.com/article/3242187/macs/imac-pro-shipping-december-14-ram.html https://www.macworld.com/article/3242187/macs/imac-pro-shipp... > Brownlee got a chance to play with the new 10-core machine for a week, and while he praises the speed, he notes that the iMac Pro isn’t user upgradeable. Even the RAM door that is on the back of the 5K iMac is gone, which will surely upset power users. 9to5 also reported that back in June, claiming confirmation from Apple.