Our first toe in the water with 4K Blu-ray is also a first in its own right: 2008's Iron Man. It's the movie that kickstarted ...

For starters, it can play 4K discs— not all Blu-Ray players can. Second, it supports all of the latest HDR video formats, like Dolby Vision, HDR10+, HDR10, HDR, and Hybrid Log-Gamma (HLG).