Asustor Flashstor 12 Pro Gen2
All-flash · 12× M.2 NVMe · 10 GbE
TerraMaster F4-424 Pro
NAS · $699
Asustor Flashstor 12 Pro Gen2 takes it — here’s why.
In our weighted Specdex score, Asustor Flashstor 12 Pro Gen2 lands at 89 and TerraMaster F4-424 Pro at 84. That puts Asustor Flashstor 12 Pro Gen2 ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Asustor Flashstor 12 Pro Gen2 if…
- ✓12× M.2 NVMe slots
- ✓10 GbE built-in
- ✓Silent — no spinning drives
Pick TerraMaster F4-424 Pro if…
- ✓Rich software ecosystem (Synology/QNAP)
- ✓NVMe cache slots on newer models
- ✓Docker/VM support on higher tiers
Winner by scenario
Derived from the sub-score breakdown · not a separate testSoftware
TerraMaster F4-424 ProCompared on the software sub-score
TerraMaster F4-424 Pro leads on software (82 vs 80).
Value for money
TerraMaster F4-424 ProSpecdex score per dollar at MSRP
TerraMaster F4-424 Pro more score per dollar ($699 vs $1,599).
Score breakdown
Specs side-by-side
| Spec | Asustor Flashstor 12 Pro Gen2 | TerraMaster F4-424 Pro |
|---|---|---|
| CPU | Intel Atom x7835RE (8 cores) | — |
| RAM | 16 GB DDR5 (expandable to 64) | — |
| Bays | 12× M.2 NVMe Gen 4 | — |
| Network | 10 GbE × 1 + 2.5 GbE × 2 | — |
| USB | 4× USB 3.2 Gen 2 | — |
Asustor Flashstor 12 Pro Gen2
- +12× M.2 NVMe slots
- +10 GbE built-in
- +Silent — no spinning drives
- −NVMe TB-per-dollar still pricey
- −Heat management critical
- −ADM software trails DSM polish
TerraMaster F4-424 Pro
- +Rich software ecosystem (Synology/QNAP)
- +NVMe cache slots on newer models
- +Docker/VM support on higher tiers
- −Disks rarely included
- −Drive compatibility restrictions on some brands
- −Power draw 24/7
FAQ: Asustor Flashstor 12 Pro Gen2 vs TerraMaster F4-424 Pro
Which is better, Asustor Flashstor 12 Pro Gen2 or TerraMaster F4-424 Pro? +
Asustor Flashstor 12 Pro Gen2 scores 89 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.
Is Asustor Flashstor 12 Pro Gen2 worth the price? +
At $1,599, Asustor Flashstor 12 Pro Gen2 delivers a Specdex score of 89 — strongest in hardware.
Is TerraMaster F4-424 Pro worth the price? +
At $699, TerraMaster F4-424 Pro delivers a Specdex score of 84 — strongest in performance.
Does Asustor Flashstor 12 Pro Gen2 or TerraMaster F4-424 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 software, Asustor Flashstor 12 Pro Gen2 or TerraMaster F4-424 Pro? +
TerraMaster F4-424 Pro — leads on software (82 vs 80). Compared on the software sub-score.
Which is the better value, Asustor Flashstor 12 Pro Gen2 or TerraMaster F4-424 Pro? +
TerraMaster F4-424 Pro — more score per dollar ($699 vs $1,599). Specdex score per dollar at MSRP.