The term 2818 MP4 refers to either a batch of 2,818 mini-pools (9,672 total donations) used in COVID-19 blood screening to determine viral risk [1], or a specific benchmark of 2,818 video files processed in IT batch-renaming scenarios [2]. In medical studies, 2818 MP4 samples indicated a negligible risk of transfusion-transmitted SARS-CoV-2 [1], while in data management, it represents a high-volume file reorganization workflow [2]. You can read the study at Wiley Online Library and find the file processing context on the Advanced Renamer forum.