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TerraMaster F4-424 Pro — NAS · $699
TerraMaster

TerraMaster F4-424 Pro

NAS · $699

84
/ 100
From $699
VS
Asustor Flashstor 12 Pro wins by 4
Asustor Flashstor 12 Pro — NAS · $1099
Asustor

Asustor Flashstor 12 Pro

NAS · $1099

88
/ 100
From $1,099
Specdex verdict

Asustor Flashstor 12 Pro takes it — here’s why.

In our weighted Specdex score, TerraMaster F4-424 Pro lands at 84 and Asustor Flashstor 12 Pro at 88. That puts Asustor Flashstor 12 Pro ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick TerraMaster F4-424 Pro if…

  • ✓Rich software ecosystem (Synology/QNAP)
  • ✓NVMe cache slots on newer models
  • ✓Docker/VM support on higher tiers

Pick Asustor Flashstor 12 Pro if…

  • ✓Rich software ecosystem (Synology/QNAP)
  • ✓NVMe cache slots on newer models
  • ✓Docker/VM support on higher tiers
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Performance

Asustor Flashstor 12 Pro

Compared on the performance sub-score

Asustor Flashstor 12 Pro leads on performance (88 vs 84).

Features

Asustor Flashstor 12 Pro

Compared on the features sub-score

Asustor Flashstor 12 Pro leads on features (88 vs 84).

Software

Asustor Flashstor 12 Pro

Compared on the software sub-score

Asustor Flashstor 12 Pro leads on software (86 vs 82).

Value for money

TerraMaster F4-424 Pro

Specdex score per dollar at MSRP

TerraMaster F4-424 Pro more score per dollar ($699 vs $1,099).

TerraMaster F4-424 Pro 84
vs
88 Asustor Flashstor 12 Pro

Score breakdown

TerraMaster F4-424 Pro
84
performance 84
features 84
software 82
value 82
Asustor Flashstor 12 Pro
88
performance 88
features 88
software 86
value 82

Specs side-by-side

TerraMaster F4-424 Pro versus Asustor Flashstor 12 Pro — full spec comparison
Spec TerraMaster F4-424 Pro Asustor Flashstor 12 Pro

TerraMaster F4-424 Pro

Pros
  • +Rich software ecosystem (Synology/QNAP)
  • +NVMe cache slots on newer models
  • +Docker/VM support on higher tiers
Cons
  • −Disks rarely included
  • −Drive compatibility restrictions on some brands
  • −Power draw 24/7

Asustor Flashstor 12 Pro

Pros
  • +Rich software ecosystem (Synology/QNAP)
  • +NVMe cache slots on newer models
  • +Docker/VM support on higher tiers
Cons
  • −Disks rarely included
  • −Drive compatibility restrictions on some brands
  • −Power draw 24/7

FAQ: TerraMaster F4-424 Pro vs Asustor Flashstor 12 Pro

Which is better, TerraMaster F4-424 Pro or Asustor Flashstor 12 Pro? +

Asustor Flashstor 12 Pro scores 88 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is TerraMaster F4-424 Pro worth the price? +

At $699, TerraMaster F4-424 Pro delivers a Specdex score of 84 — strongest in performance.

Is Asustor Flashstor 12 Pro worth the price? +

At $1,099, Asustor Flashstor 12 Pro delivers a Specdex score of 88 — strongest in performance.

Does TerraMaster F4-424 Pro or Asustor Flashstor 12 Pro last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for performance, TerraMaster F4-424 Pro or Asustor Flashstor 12 Pro? +

Asustor Flashstor 12 Pro — leads on performance (88 vs 84). Compared on the performance sub-score.

Which is better for features, TerraMaster F4-424 Pro or Asustor Flashstor 12 Pro? +

Asustor Flashstor 12 Pro — leads on features (88 vs 84). Compared on the features sub-score.