It's still about a month and a half before the Samsung Galaxy S9 and S9+ make it to the European market but already a second official product page has surfaced online. The last one was a Samsung Germany page for the Galaxy S9, this one is a Finnish support page for the Galaxy S9+. It goes by the product number SM-G965F/DS in which the F stands for International model while the DS for dual SIM. This means that some of the Galaxy S9/S9+ units that will eventually be sold in Finland will be of the Duos variety and will have the hybrid SIM slot which can either harbor 2 nano SIMs or 1...
Source: https://www.gsmarena.com/samsung_finland_lists_support_page_for_galaxy_s9-news-29418.php