+A **Hard Drive** is an electromechanical [data storage](/wiki/data_storage) device that stores and retrieves digital [data](/wiki/data) using rapidly rotating platters coated with magnetic material. It serves as the primary long-term memory for most [computers](/wiki/computer), preserving information even when power is off.
+## See also
+- [Solid State Drive](/wiki/solid_state_drive)
+- [Memory](/wiki/memory)
+- [File System](/wiki/file_system)