Are you sure? - from the site https://support.apple.com/en-is/HT4432

Mac mini (Late 2014) Mac mini (Late 2014) does not have user-installable RAM. You can configure the memory in your Mac mini (Late 2014) when you purchase it.

I'd ask over on http://apple.stackexchange.com to get a couple of other opinions to :-)

Yes. I just saw that. I cant reply to your comment directly as there is no reply button below your comment (probably nested too deep). stackexchange might be a good place to check. I think the 2012 mac mini was eating into their higher end machine sales and crippling the 2014 mac mini is move on their part to counter this.