Originally Posted by sayeda
A solid-state drive (SSD) is a nonvolatile storage device that stores persistent data on solid-state flash memory. Solid-state drives actually aren't hard drives in the traditional sense of the term, as there are no moving parts involved.
Hard disk drive(HDD)is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
yes an SDD drive is just a Flash/Pen Drive in a larger casing, just the same way an external HDD is just an internal HDD in a case