Asustor Flashstor 6 vs Synology DS1522+
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AI Matrix
Powered by Claude AIAsustor Flashstor 6 and Synology DS1522+ are closely matched nas storage devices with nearly identical overall scores (50 vs 52). The best choice depends on which specific features matter most to you.
Spec Comparison
Asustor Flashstor 6Synology DS1522+
Score Breakdown
Asustor Flashstor 6Synology DS1522+
35
Drive Bays25% weight
35Tie
59
Price20% weight
67Synology DS1522+ Winner
10
RAM20% weight
10Tie
99
Power Usage15% weight
99Tie
94
Noise10% weight
94Tie
35
Warranty10% weight
35Tie
Scores are relative within the nas storagecategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
Asustor Flashstor 6
✗ Cons
- ●Higher price: $699 vs $599
- ●Higher price relative to value
Synology DS1522+
✓ Pros
- ●Lower price: $599 vs $699
- ●Better value for money
Spec Comparison
| Spec | Asustor Flashstor 6 | Synology DS1522+ |
|---|---|---|
| Price | 699$ | 599$✓ |
| RAM | 8GB | 8GB |
| OS | ADM 4.0 | DSM 7.2 |
| Weight | 1100g | 1100g |
| Dimensions | 250 x 220 x 220 mm | 200 x 166 x 223 mm |
| Colors | Black | Black |
Who Should Buy
Buy Asustor Flashstor 6 if…
The Asustor Flashstor 6 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Synology DS1522+ if…
Choose the Synology DS1522+ if budget is your top priority — it offers competitive specs at a lower price point.
Asustor Flashstor 6 vs Synology DS1522+ — FAQ
Asustor Flashstor 6 vs Synology DS1522+: which is better?
Asustor Flashstor 6 and Synology DS1522+ are closely matched nas storage devices with nearly identical overall scores (50 vs 52). The best choice depends on which specific features matter most to you.
Is Asustor Flashstor 6 better than Synology DS1522+?
Both products score similarly — it depends on your priorities.
Which is cheaper, Asustor Flashstor 6 or Synology DS1522+?
Synology DS1522+ is cheaper at $599 vs $699 for the Asustor Flashstor 6.
Who should buy the Asustor Flashstor 6?
The Asustor Flashstor 6 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Who should buy the Synology DS1522+?
Choose the Synology DS1522+ if budget is your top priority — it offers competitive specs at a lower price point.
Related Comparisons
Full Asustor Flashstor 6 review →Full Synology DS1522+ review →All Asustor NAS Storage →All Synology NAS Storage →
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.