: In the 1970s and 80s, SSDs were primarily RAM-based and obscenely expensive, used only in supercomputers.
While modern SSDs became mainstream in the late 2000s, the concept dates back to the 1950s with technologies like magnetic core memory. SOLID STATE DRIVE
The core of an SSD consists of two primary components: the and the Flash Memory . Solid State Drive - an overview | ScienceDirect Topics : In the 1970s and 80s, SSDs were
: The mid-1990s saw the introduction of the first modern flash-based SSDs that didn't require batteries to retain data. : In the 1970s and 80s