Asustor
Asustor Flashstor 12 Pro
NAS · $1099
88
/ 100
From $1,099
VS
Synology
Synology DS1522+
NAS · $699
88
/ 100
From $699
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Asustor Flashstor 12 Pro lands at 88 and Synology DS1522+ at 88. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Asustor Flashstor 12 Pro if…
- ✓Rich software ecosystem (Synology/QNAP)
- ✓NVMe cache slots on newer models
- ✓Docker/VM support on higher tiers
Pick Synology DS1522+ if…
- ✓Rich software ecosystem (Synology/QNAP)
- ✓NVMe cache slots on newer models
- ✓Docker/VM support on higher tiers
Asustor Flashstor 12 Pro 88
vs 88 Synology DS1522+
Score breakdown
Asustor Flashstor 12 Pro
88 performance 88
features 88
software 86
value 82
Synology DS1522+
88 performance 88
features 88
software 86
value 82
Specs side-by-side
| Spec | Asustor Flashstor 12 Pro | Synology DS1522+ |
|---|
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
Synology DS1522+
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: Asustor Flashstor 12 Pro vs Synology DS1522+
Which is better, Asustor Flashstor 12 Pro or Synology DS1522+? +
Both score 88 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Asustor Flashstor 12 Pro worth the price? +
At $1,099, Asustor Flashstor 12 Pro delivers a Specdex score of 88 — strongest in performance.
Is Synology DS1522+ worth the price? +
At $699, Synology DS1522+ delivers a Specdex score of 88 — strongest in performance.
Does Asustor Flashstor 12 Pro or Synology DS1522+ 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.