Cómo funciona un SSD

What this video is about

This video explains how computer memory evolved from punch cards to modern solid-state drives by solving storage and speed problems at each stage. It describes early magnetic tape limitations, the invention of spinning disk platters for direct data access, and finally the transition to non-moving parts using stacked electron layers called flash cells. The narration details how voltage controls current flow through these microscopic pillars to store binary zeros and ones without mechanical movement.

Auto-summarised from the video’s captions. It may be imprecise.