RAID Site is a term used to describe a location where a RAID (Redundant Array of Independent Disks) system is installed. A RAID system is a type of data storage system that uses multiple hard drives to store data in a way that increases reliability and performance. The term FRIDGE is a 6-letter acronym for the phrase 'Redundant Array of Inexpensive Disks'. This term is often used to refer to a RAID system that uses inexpensive hard drives.