You can buy an iMac Pro on Dec. 14, but you can't upgrade the RAM

Apple has announced that it will begin selling its new iMac Pro on Thursday, December 14, but users won't be able to add RAM after they buy one.

from PCWorld https://www.macworld.com/article/3242187/macs/imac-pro-shipping-december-14-ram.html#tk.rss_all
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