What Does Secondary Cache Mean?

A secondary cache is a type of cache memory that is deployed and installed external to the primary or processor cache. It is a fast data storage and access memory that works in addition to the primary cache.

Secondary cache is also known as external cache.

Techopedia Explains Secondary Cache

  • Disk Cache: A space reserved on the hard disk to be used as disk cache
  • Memory Cache: Separate portion or integrated component of random access memory (RAM) that provides faster data access than RAM itself
  • Standalone Cache: Integrated directly onto the motherboard