Simplify the following text for a Grade 11 native English-speaking person.
Original: RAID , an acronym for Redundant Array of Independent Disks ( Changed from its original term Redundant Array of Inexpensive Disks ) , is a technology that provides increased storage functions and reliability through redundancy .
Simplified: RAID is an acronym that stands for Redundant Array of Inexpensive Disks or Redundant Array of Independent Disks .