If you need a specific codec or resolution (e.g., 250 MB of pure H.265 10-bit 4:2:2), generate it yourself using FFmpeg:
To anyone else, it was a random chunk of data. To Leo, it was the final stress test for the compression algorithm he’d spent eighteen months building. If this worked, he could stream high-definition video over the world’s weakest connections. The Search 250 mb sample video download
: Provides high-frame-rate sample videos. Their "Treadmill Walking" or "Running" samples often exceed 100 MB, with some files reaching up to 650 MB. If you need a specific codec or resolution (e