This has got to be one of the highest-effort independent productions I've ever seen on YouTube. I'm extremely grateful for how the Internet has made sharing knowledge like this possible and for the people who put in so much work to do it.

These folks do a fantastic job of explaining how things work at a level of detail I think folks here will appreciate.

If you enjoyed this video, you'll probably also like these:

How SSDs use Quantum Mechanics: https://www.youtube.com/watch?v=5f2xOxRGKqk

Inside the Engineering of SSDs: https://www.youtube.com/watch?v=r-SivgEpA1Q