Which is better, Synology DS923+ or Asustor AS5402T?

Based on our trust score analysis, Synology DS923+ scores 9.4/10 compared to Asustor AS5402T at 9.0/10. Synology DS923+ ranks higher across expert reviews, user sentiment, and value metrics, making it the stronger choice overall.

What is the price difference between Synology DS923+ and Asustor AS5402T?

Synology DS923+ is priced at $549.00 – $599.00 and Asustor AS5402T is priced at $349.00 – $399.00. Synology DS923+ is the more expensive option at $549.00 – $599.00, while Asustor AS5402T comes in at $349.00 – $399.00.

Is Synology DS923+ worth the extra money over Asustor AS5402T?

Synology DS923+ ($549.00 – $599.00) has a value score of 8.2/10 compared to Asustor AS5402T ($349.00 – $399.00) at 8.6/10. Asustor AS5402T offers better value for money despite the lower price point.

Home / NAS Drives / Synology DS923+ vs Asustor AS5402T

Synology DS923+ vs Asustor AS5402T

Name: Asustor AS5402T
Brand: Asustor
Rating: 4.6 (1 reviews)

Head-to-head comparison based on trust scores, features, pricing, and real user feedback.

Our pick: Synology DS923+ (Trust Score 9.4 vs 9.0)

Synology DS923+

Synology

$549.00 – $599.00

9.4

Excellent

Best Overall

Pros

+Industry-leading DSM software
+AMD Ryzen CPU with ECC RAM
+Expandable to 9 bays with DX517

Cons

−Drives sold separately
−No 2.5GbE built-in

Don't buy if

⚠ Ships without hard drives; budget an additional $100-400+ per bay for NAS-rated drives like WD Red Plus or Seagate IronWolf.

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Asustor AS5402T

Asustor

$349.00 – $399.00

9.0

Excellent

Best Value

Pros

+Dual 2.5GbE standard
+Good Plex transcoding
+Competitive pricing

Cons

−Smaller app ecosystem than Synology
−2-bay limits storage expansion

Don't buy if

⚠ With only two bays your RAID 1 mirror cuts usable storage in half; consider a 4-bay unit if you need more than 20TB usable.

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Score Comparison

Metric	Synology DS923+	Asustor AS5402T
Trust Score	9.4 ✓	9.0
Expert Score	9.5 ✓	9.0
User Sentiment	9.4 ✓	8.9
Value Score	8.2	8.6 ✓
Complaint Risk	8.7 ✓	9.3
Price	$549.00 – $599.00	$349.00 – $399.00

The Verdict

Synology DS923+ wins this comparison with a Trust Score of 9.4 vs 9.0. It's rated "Best Overall" and scores higher across the majority of our evaluation criteria. However, the Asustor AS5402T may be a better fit depending on your specific priorities — check the pros and cons above.

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