Solid state drive since the advent of the heart of the game players, super read and write performance let the computer get rid of the bondage of mechanical hard disk, so that the whole machine performance can be greatly improved, with faster speed, SSD even let many old computers come to life, but the popularity of solid state drive still experienced difficulties.

Talking about the history of solid-state drives, we have to talk about NAND flash technology. As a non-volatile storage technology, NAND flash memory is composed of thousands of cells (Array), the number of cells internal potential, the level of storage capacity, to promote the emergence of different types of flash memory chips, that is, we often say SLC/MLC/TLC/QLC.