Google is testing showing product cards in the Google Shopping panel on desktop now. The screen shot comes from Dave Lorrez on Twitter who does a lot of SEM in the e-commerce space. Glenn Gabe also thinks it is new, espesially for desktop search results.
Here is his screen shot:
Looks new. Here's the SERP from January. Not there. Interesting changes there. :) pic.twitter.com/fbAOOktfMO
— Glenn Gabe (@glenngabe) February 14, 2019
You can trigger them yourself for [samsung galaxy 9] query in Google:
When you click on one of this cards it overlays a lightbox of details with more information.
Forum discussion at Twitter.