Sony's PS4 Pro console finally supports 4K video. Sony is pushing out an update for the console's Media Player application which flicks the switch on the feature.
Once you've downloaded it, you'll be able to watch your own 4K videos from a server or external hard drive. The console already let you stream Netflix and YouTube in 4K.
However, currently the Media Player application only supports MP4 videos, so anyone with MKV clips is out of luck. Though Sony can always add this support in the future.
Your hard drives that are loaded up with games and game data also can't double up as holding pens for your 4K videos, unfortunately, because of formatting issues. So you might have to shell out on some new USB sticks to use instead, or stream from your home server.
4K virtual reality is also enabled for anyone with a PlayStation VR headset, so you can film the vids yourself and then immerse yourself in their 360-degree loveliness. Though the videos will be limited by the PS VR's display resolution, which is lower than that needed to qualify as 4K. Nevertheless, Sony insists that 4K VR videos "will be displayed in a higher image quality compared to HD VR videos".
Source: PlayStation Blog