Recording at 1080p and [100,000 FPS](https://www.youtube.com/watch?v=xbuvcQrAOSk) for 1 second in the ProRes 422 codec uses up 73.2 gigabytes of storage. [(SOURCE)](https://www.omnicalculator.com/other/video-size)

How do ultra-high-speed cameras write to SD cards at such quick speeds, like 580.56 gigabits per second? Before writing, the footage also needs to be encoded/processed! What's the technology behind ultra-high-frame-rate cameras being able to manage huge amounts of image data? Do they have gigantic memory buffers?