NAS & RAID Calculator

NAS planning example

Region Focus · APAC

APAC RAID 10 vs RAID 6 Calculator

Compare usable TB, parity, and failure tolerance between RAID 10 and RAID 6 for APAC homelab setups.

Planning route

Answer the capacity question, then validate the purchase path

Use this worked example as a numeric starting point, then validate the RAID choice, capacity reserve, hardware plan, and backup path.

Editorial method

What this calculator can—and cannot—decide

The capacity model makes drive count, drive size, RAID layout, and reserve visible. It is a planning aid: it does not predict exact performance, rebuild duration, hardware compatibility, or the probability of data loss for a specific system.

Last reviewed: July 10, 2026. Product links remain neutral category searches until a partner relationship and page-level disclosure are in place.

Comparison Notes

This page compares RAID 10 and RAID 6 on identical hardware assumptions to help homelab builders choose between capacity efficiency and fault tolerance.

  • Disk size baseline: 8TB drives
  • Reserve policy: 10% filesystem headroom
  • Use the interactive tool for exact real-world constraints
Open Interactive Planner

Storage Capacity Table

Drives RAID 10 RAID 6 Delta
4x 8TB 14.40 TB 14.40 TB +0.00 TB
6x 8TB 21.60 TB 28.80 TB -7.20 TB
8x 8TB 28.80 TB 43.20 TB -14.40 TB
10x 8TB 36.00 TB 57.60 TB -21.60 TB
12x 8TB 43.20 TB 72.00 TB -28.80 TB

APAC Buyer Context

APAC builders frequently compare availability windows and procurement variance, which makes robust fallback capacity and staged scaling useful in practice.

Brand / Region Glossary

Procurement Variance

Regional differences in disk availability and replacement lead times.

Spare Strategy

Policy of keeping spare disks available to reduce recovery delay risk.

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FAQ

How should I select between RAID 10 and RAID 6?

Choose based on your risk tolerance, rebuild window, and performance profile. Higher parity usually lowers capacity but improves resilience.

Does RAID 10 rebuild faster than RAID 6?

Rebuild behavior depends on array width, disk size, and workload pressure. This page focuses on capacity and tolerance; benchmark your actual platform before final choice.

Does this comparison include filesystem reserve?

Yes. The comparison table applies a 10% reserve baseline to reflect realistic operating headroom in NAS and homelab environments.

Which option is usually better for long-term homelab growth?

The better option is the one that keeps acceptable usable capacity while preserving safety margins during future disk expansions.