(2017). Specifically, it denotes a resolution encode using the 10-bit HEVC (x265) codec, featuring High Dynamic Range (HDR) and a 7.1 surround sound audio track.
For home theater enthusiasts and Logan fans who want the absolute best quality outside of a physical disc, this release delivers reference-grade 4K HDR video and versatile high-resolution audio. The “x2” 7.1 tracks offer flexibility (e.g., one for night listening with dynamic compression, one for full dynamic range). logan20172160p4kuhd10bithdrbluray71x2 exclusive
Given these specifications, "logan20172160p4kuhd10bithdrbluray71x2 exclusive" seems to describe a high-quality, exclusive release of the movie "Logan" (2017) in 4K UHD, with 10-bit color depth, HDR, and possibly a 7.1 channel audio track, ripped from a Blu-ray disc. (2017)