RAID configuration
RAID level
RAID 0 (stripe, no redundancy)
RAID 1 (mirror)
RAID 5 (single parity)
RAID 6 (dual parity)
RAID 10 (1+0, mirrored stripes)
RAID 50 (5+0)
RAID 60 (6+0)
Number of drives
Drive size
Unit
GB
TB
Group size (for 50/60)
4x 4TB RAID 5 (home NAS)
6x 8TB RAID 6
4x 2TB RAID 10 (workstation)
2x 1TB RAID 1 (boot mirror)
2x 2TB RAID 0 (scratch)
Usable capacity
12.00 TB
16.00 TB
Raw capacity
25.0%
Parity overhead
1
Drives can fail
4x
Read speed factor
3x
Write speed factor
RAID level comparison at your drive count
Level
Usable
Overhead
Fault tolerance
Min drives
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