Disk cache may refer to:
*
Disk buffer
In computer storage, disk buffer (often ambiguously called disk cache or cache buffer) is the embedded memory in a hard disk drive (HDD) or solid state drive (SSD) acting as a buffer between the rest of the computer and the physical hard disk ...
, the small amount of RAM embedded on a hard disk drive, used to store the data going to and coming from the disk platters
*
Page cache
In computing, a page cache, sometimes also called disk cache, is a transparent cache for the pages originating from a secondary storage device such as a hard disk drive (HDD) or a solid-state drive (SSD). The operating system keeps a page cache ...
, the cache of data residing on a storage device, kept by the operating systems and stored in unused main memory
* General application-level
caching of the data residing on a storage device
{{Disambiguation
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