If you are searching for this specific file variant, you already know that streaming 4K (even on Disney+) suffers from bitrate throttling. Here is why the UHD Blu-ray source triumphs:
The "UHD" (Ultra High Definition) tag denotes a massive upgrade over standard high-definition releases. Watching Avengers: Infinity War on a 4K UHD Blu-ray provides: Avengers.Infinity.War.2018.Multi.UHD.Blu-ray.21...
worldwide and setting records for the fastest film to reach $1 billion. The Walt Disney Company Authoritative Resources For more in-depth technical analysis and release history: Retail Details Production Info Official Release Specs Blu-ray Disc Association If you are searching for this specific file