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Asustor Flashstor 12 Pro Gen2 — All-flash · 12× M.2 NVMe · 10 GbE
Asustor

Asustor Flashstor 12 Pro Gen2

All-flash · 12× M.2 NVMe · 10 GbE

89
/ 100
From $1,599
VS
Asustor Flashstor 12 Pro Gen2 wins by 1
Synology DS224+ — 2-bay · Intel Celeron · DSM 7.3
Synology

Synology DS224+

2-bay · Intel Celeron · DSM 7.3

88
/ 100
From $370
Specdex verdict

Asustor Flashstor 12 Pro Gen2 takes it — here’s why.

In our weighted Specdex score, Asustor Flashstor 12 Pro Gen2 lands at 89 and Synology DS224+ at 88. That puts Asustor Flashstor 12 Pro Gen2 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Asustor Flashstor 12 Pro Gen2 if…

  • ✓12× M.2 NVMe slots
  • ✓10 GbE built-in
  • ✓Silent — no spinning drives

Pick Synology DS224+ if…

  • ✓Cheapest path to DSM 7.x ecosystem
  • ✓Strong Plex transcode (Celeron)
  • ✓Apple Photos / Google Photos sync built-in
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Software

Synology DS224+

Compared on the software sub-score

Synology DS224+ leads on software (100 vs 80).

Ease of use

Synology DS224+

Compared on the ease of use sub-score

Synology DS224+ leads on ease (96 vs 84).

Hardware

Asustor Flashstor 12 Pro Gen2

Compared on the hardware sub-score

Asustor Flashstor 12 Pro Gen2 leads on hardware (96 vs 80).

Value for money

Synology DS224+

Specdex score per dollar at MSRP

Synology DS224+ more score per dollar ($370 vs $1,599).

Asustor Flashstor 12 Pro Gen2 89
vs
88 Synology DS224+

Score breakdown

Asustor Flashstor 12 Pro Gen2
89
hardware 96
software 80
value 86
ease 84
Synology DS224+
88
hardware 80
software 100
value 92
ease 96

Specs side-by-side

Asustor Flashstor 12 Pro Gen2 versus Synology DS224+ — full spec comparison
Spec Asustor Flashstor 12 Pro Gen2 Synology DS224+
CPU
▲ Intel Atom x7835RE (8 cores)
Intel Celeron J4125 (4 cores)
RAM
▲ 16 GB DDR5 (expandable to 64)
2 GB DDR4 (expandable to 6)
Bays
12× M.2 NVMe Gen 4
2× 3.5″ SATA
Network
10 GbE × 1 + 2.5 GbE × 2
2× 1 GbE
USB
4× USB 3.2 Gen 2
2× USB 3.2 Gen 1
Max single volume
—
108 TB
Warranty
—
2 years (extendable to 4)

Asustor Flashstor 12 Pro Gen2

Pros
  • +12× M.2 NVMe slots
  • +10 GbE built-in
  • +Silent — no spinning drives
Cons
  • −NVMe TB-per-dollar still pricey
  • −Heat management critical
  • −ADM software trails DSM polish

Synology DS224+

Pros
  • +Cheapest path to DSM 7.x ecosystem
  • +Strong Plex transcode (Celeron)
  • +Apple Photos / Google Photos sync built-in
Cons
  • −1 GbE only at this tier
  • −2 GB RAM baseline (expandable to 6)
  • −Limited M.2 cache

FAQ: Asustor Flashstor 12 Pro Gen2 vs Synology DS224+

Which is better, Asustor Flashstor 12 Pro Gen2 or Synology DS224+? +

Asustor Flashstor 12 Pro Gen2 scores 89 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Asustor Flashstor 12 Pro Gen2 worth the price? +

At $1,599, Asustor Flashstor 12 Pro Gen2 delivers a Specdex score of 89 — strongest in hardware.

Is Synology DS224+ worth the price? +

At $370, Synology DS224+ delivers a Specdex score of 88 — strongest in software.

Does Asustor Flashstor 12 Pro Gen2 or Synology DS224+ 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.

Which is better for software, Asustor Flashstor 12 Pro Gen2 or Synology DS224+? +

Synology DS224+ — leads on software (100 vs 80). Compared on the software sub-score.

Which is better for ease of use, Asustor Flashstor 12 Pro Gen2 or Synology DS224+? +

Synology DS224+ — leads on ease (96 vs 84). Compared on the ease of use sub-score.