RAID, also known as Redundant Arrays of Independent Disks, stands for a set of methods for physical data storage on hard disk drives at which data is either being distributed amongst multiple drives, or being stored on more than one single drive, or both. This is because of respectively increase in speed and security against data loss, or both. Gamers usually use RAID-0, which increases speed, while servers often use RAID-1 or RAID-5 for increased reliability.
