RAID 3 (redundant array of independent disks)
RAID 3 is a RAID configuration that uses a parity disk to store the information generated by a RAID controller instead of striping it with the data.
Because the parity information is on a separate disk, RAID 3 does not perform well when tasked with numerous small data requests. RAID 3 is a better choice for applications that have long sequential data transfers, such as streaming media, graphics and video editing.
This was last updated in December 2014
