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A solid state drive (SSD) is an electronic storage drive built on solid state architecture. SSDs are built with NAND and NOR flash memory to store non-volatile data and dynamic random access memory (DRAM). A SSD and magnetic hard disk drive (HDD) share a similar purpose.
A SSD is also known as a solid state disk (SSD) or electronic disk drive.
SSD incorporates the storage technique implemented in microchip-based flash memory, where data is electronically stored on flash memory chips. An SSD is an entirely electronic storage device, and its physical assembly contains no mechanical objects.
A SSD has two key components: