Capacity:
For RAID 10 its usable space is half of the combined capacity of all the
drives used,while for RAID 50 its usable space is each RAID5 capacity*RAID5
number.
RAID
1
“Mirror”
Speed:
No speed benefits gained.
Protection:
One drive can fail and all data will still be accessible.
Capacity:
One drive worth of usable space out of the two total drives used.
JBOD
(Independent
Drive
Modes)
Speed:
No significant speed gains.
Protection:
No built‐in data protection.
Capacity:
In JBOD mode, the capacities are combined. When set up as independent
drives, each drive presents its stated capacity for use.