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:

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.