Controller — Ssd

When you buy a solid-state drive (SSD), you probably look at two things: how much it can hold and how fast it says it is. But there’s a hidden "brain" inside every drive that determines if it actually hits those speeds—the .

The Brains of the Operation: Understanding the SSD Controller SSD CONTROLLER

Computers think in logical addresses, but flash memory works in physical ones. The controller maps these together, essentially keeping a master index of where every single piece of data is stored on the chips. When you buy a solid-state drive (SSD), you

When you delete a file, it isn't immediately erased from the flash. The controller periodically "cleans up" by moving valid data to new blocks so it can wipe the old ones, keeping the drive ready for future writes . Why the Choice of Controller Matters The controller maps these together, essentially keeping a