PowerDVD 17 is also the fist certified software Blu-ray player capable of playing back Ultra HD (4K) Blu-rays on a PC. The hardware requirements are quite stringent, though. In addition to the two GIGABYTE boards mentioned below, the ASRock Fatal1ty Z270 Gaming-ITX/ac is also an option for a UHD Blu-ray playback-capable HTPC. Pioneer is currently the only choice for PC-compatible UHD Blu-ray optical drives.
It is no secret that the onerous DRM requirements have made Blu-rays a pain for HTPC enthusiasts. PowerDVD 17 requires an active Internet connection for the first time playback of an Ultra HD Blu-ray movie. Consumers who appreciate the extra video and audio quality from local discs have to put up with these annoyances.
As per anandtech.com.
You need one of three motherboards currently available, a brand new Intel CPU with DRM integrated, one of two UHD drives and PowerDVD on Windows 10. Either that, or just stream your shit to a 50 bucks Android box. But where's the fun in that?