User`s guide

4-26 Configuring Your Server
RAID Levels
Characteristics of RAID Levels
The table below lists the characteristics of the RAID levels.
Level Function Redundancy Characteristics
RAID0 Striping No • Data read/write at the highest rate
• Largest capacity
• Capacity: (capacity of single HDD) ×
(number of HDDs)
RAID1 Mirroring Yes • Two HDDs required
• Capacity: capacity of single HDD
RAID5
Striping of both data
and redundant data
Yes
• Three or more HDDs required
• Capacity: (capacity of single HDD) ×
((number of HDDs) - 1)
RAID6
Striping of both data
and redundant data
Yes • Three or more HDDs required
• Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)
IMPORTANT: To use RAID 5 or RAID 6 with Internal RAID Controller , you need to
additionally install the optional RAID Upgrade Kit.