FHD files are large. Consider using external SSDs or dedicated NAS (Network Attached Storage) systems.
While there is no single "official" text for this specific file code in general literature, similar alphanumeric codes often appear in the following contexts: Preservation Archives ARCHIVE-FHD-SONE-454 -2-.mp4
This usually signifies a "Part 2" of a larger video or a second version (revision) of the same file. FHD files are large
Be aware that "Archive" files often contain copyrighted material. They are generally intended for personal use by fans who already support the artists. 4. How to Manage Large Video Archives ARCHIVE-FHD-SONE-454 -2-.mp4