RAID Performance Calculator
Compare RAID configurations with your chosen drive count
Number of Drives:
2 Drives
3 Drives
4 Drives
5 Drives
6 Drives
7 Drives
8 Drives
9 Drives
10 Drives
11 Drives
12 Drives
Advanced options
Drive Size (Optional):
Not specified
500 GB
1 TB
2 TB
3 TB
4 TB
6 TB
8 TB
10 TB
12 TB
14 TB
16 TB
18 TB
20 TB
24 TB
Mirror width:
2-way
3-way
RAIDZ vdev width:
4
6
8
10
12
Workload:
File Server (large files)
Database (small random writes)
VM Host (mixed workload)
Video Editing (sequential)
Performance Model:
Theoretical
Real-World
System RAM:
8 GB
16 GB
32 GB
64 GB
128 GB
256 GB
L2ARC Cache:
None
Auto (3x RAM)
Custom
L2ARC Size:
64 GB
128 GB
256 GB
512 GB
1 TB
2 TB
Layout Priority:
Balanced
Performance Focus
Rebuild Speed
Use TiB (binary)
Reserve 10% free space
Add SLOG device
Add Special vdev (metadata)
RAID 1
RAID 0
RAID 10
RAID 5
RAID 6
RAIDZ1
RAIDZ2
RAIDZ3
Configuration Details