Enter your drive count, size, and RAID level — usable capacity, fault tolerance, and efficiency update instantly.
Usable capacity
12TB
Fault tolerance
1 drive
Efficiency
75%
Raw total
16 TB
Min drives
3 for this level
Array configuration
Usable space is approximate — real-world capacity is ~5–10% lower due to filesystem overhead and binary vs. decimal TB differences.
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Building this array? WD Red Plus, Seagate IronWolf, and Toshiba N300 are the go-to NAS-rated drives for homelabbers — built for always-on vibration environments.
See vetted NAS-rated drives →