: Refers to the ultra-high-definition resolution (typically 3840 x 2160 pixels).

: One of the most popular professional sites, featuring over 130,000 library stock videos with pricing scaled to resolution.

: Offers a vast library of free, high-quality 4K cinematic videos without watermarks.

If you are working with large 4K mp4 files like this one, you might consider:

While there is no single "feature" or news story covering this specific file name, it is characteristic of the high-quality assets found in professional stock libraries. If you are looking for high-quality 4K footage or ways to manage such files, these top platforms and features are industry standards: Top Stock Footage Libraries for 4K Clips