A RAM-Disk or Ramdisk can be either:Another name for volatile types of
solid state drives, a specialized piece of data storage hardware.A software abstraction that treats a segment of
random access memory (RAM) as
secondary storage, a role typically filled by
hard drives.In either case, access time is greatly improved. Due to the lack of moving parts, RAM can be several
orders of magnitude faster than hard drives. However, the volatility of RAM means that data will be lost if power is lost, e.g. when the computer is turned off. This is sometimes desirable, for example when working with a decrypted copy of an
encrypted document. In many cases, the data stored on the RAM disk is only a copy of or is derived from data permanently stored elsewhere, and thus will be re-created when power is restored and the system reboots.
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