2. In the second level, there are manufacturers who produce master control or flash memory, such as OCZ, Meguiar's/Intel's/Toshiba's own flash memory and so on.
3. The third level is SSD manufacturers such as Kingston, Weigang, Yu Zhan, etc., which have flash memory packaging test factories.
1. Solid-state hard disk, also known as hard disk, is a hard disk made of solid-state electronic memory chip array, which consists of control unit and storage unit.
2. The specification, definition, function and usage of the interface are the same as those of the ordinary hard disk, and the shape and size of the product are also the same as those of the ordinary hard disk.