RAM disk

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Noun1.RAM disk - (computer science) a virtual drive that is created by setting aside part of the random-access memory to use as if it were a group of sectors; "access to a RAM disk is very fast but the data it contains is lost when the system is turned off"
drive - (computer science) a device that writes data onto or reads data from a storage medium
RAM, random access memory, random memory, random-access memory, read/write memory - the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
References in periodicals archive ?
Considering that you need to have that much RAM free in order to create a RAM drive, this seems pretty reasonable, and unless you have oodles of RAM (16 / 32 GB or more) it aught to be enough.
The data is automatically saved if any changes are made to the RAM drive or if the system reboots or shuts down.
Recently, I was in the midst of running benchmark tests (copying large and small files to and from Ricoh and Hewlett-Packard CD-Re Writable drives and a SyQuest SparQ drive) when the news broke that Creative Labs had released its PC-DVD RAM drive for list price of $499.