Asustor
Asustor Flashstor 12 Pro
NAS · $1099
88
/ 100
From $1,099
VS
Synology DS1825+ wins by 3
Synology
Synology DS1825+
8-bay · Ryzen V1500B · DSM 7.2
91
/ 100
From $1,099
Specdex verdict
Synology DS1825+ takes it — here’s why.
In our weighted Specdex score, Asustor Flashstor 12 Pro lands at 88 and Synology DS1825+ at 91. That puts Synology DS1825+ ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
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 DS1825+ if…
- ✓8 bays with DSM polish
- ✓NVMe cache slots
- ✓Great backup ecosystem
Score breakdown
Asustor Flashstor 12 Pro
88 performance 88
features 88
software 86
value 82
Synology DS1825+
91 performance 86
features 94
software 98
value 84
Specs side-by-side
Spec
Asustor Flashstor 12 Pro
Synology DS1825+
Bays
—
8
CPU
—
AMD Ryzen V1500B
RAM
—
8 GB ECC (32 GB max)
Ports
—
4× GbE + optional 10 GbE
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 DS1825+
Pros
- +8 bays with DSM polish
- +NVMe cache slots
- +Great backup ecosystem
Cons
- −No 10 GbE built-in
- −Synology-only drive restrictions on some models
- −Premium price
FAQ: Asustor Flashstor 12 Pro vs Synology DS1825+
Which is better, Asustor Flashstor 12 Pro or Synology DS1825+? +
Synology DS1825+ scores 91 on our weighted rubric — ahead by 3. 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 DS1825+ worth the price? +
At $1,099, Synology DS1825+ delivers a Specdex score of 91 — strongest in software.
Does Asustor Flashstor 12 Pro or Synology DS1825+ 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.