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Synology DS923+ — NAS · $599
Synology

Synology DS923+

NAS · $599

90
/ 100
From $599
VS
Synology DS923+ wins by 4
Synology DS423+ — NAS · $499
Synology

Synology DS423+

NAS · $499

86
/ 100
From $499
Specdex verdict

Synology DS923+ takes it — here’s why.

In our weighted Specdex score, Synology DS923+ lands at 90 and Synology DS423+ at 86. That puts Synology DS923+ ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Synology DS923+ if…

  • ✓Rich software ecosystem (Synology/QNAP)
  • ✓NVMe cache slots on newer models
  • ✓Docker/VM support on higher tiers

Pick Synology DS423+ if…

  • ✓Rich software ecosystem (Synology/QNAP)
  • ✓NVMe cache slots on newer models
  • ✓Docker/VM support on higher tiers
Synology DS923+ 90
vs
86 Synology DS423+

Score breakdown

Synology DS923+
90
performance 90
features 90
software 88
value 82
Synology DS423+
86
performance 86
features 86
software 84
value 82

Specs side-by-side

Synology DS923+ versus Synology DS423+ — full spec comparison
Spec Synology DS923+ Synology DS423+

Synology DS923+

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 DS423+

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: Synology DS923+ vs Synology DS423+

Which is better, Synology DS923+ or Synology DS423+? +

Synology DS923+ scores 90 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is Synology DS923+ worth the price? +

At $599, Synology DS923+ delivers a Specdex score of 90 — strongest in performance.

Is Synology DS423+ worth the price? +

At $499, Synology DS423+ delivers a Specdex score of 86 — strongest in performance.

Does Synology DS923+ or Synology DS423+ 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.