The 55PUK6400/12 has a greater number of video formats than most 4K and 8K TVs that have been around for a comparable time to it. This TV supports an AVI video formats supported, which is the most frequently supported video formats supported supported by 4K and 8K TVs that have been around for a comparable time to the 55PUK6400/12. The video formats supporteds "AVC", "H.264", "MKV", "MPEG1", "MPEG2", "MPEG4", "VC-1" and "WMV9" are also supported by this television.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.