Razer Project Valerie revealed - 11520 x 2160 Laptop: CES 2017
https://www.youtube.com/watch?v=EnrOhvUA8o8
Running three displays at 4k resolution at "Ultra" settings, when most desktop computers have hard enough time doing it on one display (whereas muh consoles must rely on hardware scaling 1080p or even lower resolution to "4k")?
This thing won't be affordable for a few years at least and will be among the worst investments ever when brand new (cf. television sets, when $100k a few years back bought you a set now available at $1k).