Verify exact QNAP compatibility entry
TS-464-8G + 4 × 12TB WD Red Plus
A checked starting combination targeting about 36TB usable with raid 5-style single-drive redundancy.
Lowest checked total$2,478.96Amazon + Newegg
Lowest one-store total$2,524.95Newegg
Approx. usable36TB
Checked value$68.86/TB
What the bundle contains
Capacity and redundancy
The array can continue after one drive fails; RAID is not a backup.
Approximation: $(4 - 1) × 12TB = 36TB$. Filesystem formatting, system partitions, snapshots, and RAID implementation reduce displayed free space.