Xmen_a_uhd_hdr_x265_bluebird.mkv -

A modern GPU (Nvidia GTX 10-series/AMD RX 400-series or newer) or a CPU with HEVC 10-bit hardware acceleration. 2. Understanding the File Name

Nvidia Shield, Apple TV 4K, or an HDR-capable smart TV using Plex or Kodi. XMEN_A_UHD_HDR_x265_BLUEBIRD.mkv

High Dynamic Range, providing better contrast and color depth than standard video. A modern GPU (Nvidia GTX 10-series/AMD RX 400-series