Skip to content
Specdex
Compare now
Asustor Flashstor 12 Pro — NAS · $1099
Asustor

Asustor Flashstor 12 Pro

NAS · $1099

88
/ 100
From $1,099
VS
Asustor Flashstor 12 Pro Gen2 wins by 1
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
Specdex verdict

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

In our weighted Specdex score, Asustor Flashstor 12 Pro lands at 88 and Asustor Flashstor 12 Pro Gen2 at 89. 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 if…

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

Pick Asustor Flashstor 12 Pro Gen2 if…

  • ✓12× M.2 NVMe slots
  • ✓10 GbE built-in
  • ✓Silent — no spinning drives
Share this comparison: Share to Reddit X / Twitter

Winner by scenario

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

Software

Asustor Flashstor 12 Pro

Compared on the software sub-score

Asustor Flashstor 12 Pro leads on software (86 vs 80).

Value for money

Asustor Flashstor 12 Pro

Specdex score per dollar at MSRP

Asustor Flashstor 12 Pro more score per dollar ($1,099 vs $1,599).

Asustor Flashstor 12 Pro 88
vs
89 Asustor Flashstor 12 Pro Gen2

Score breakdown

Asustor Flashstor 12 Pro
88
performance 88
features 88
software 86
value 82
hardware 0
ease 0
Asustor Flashstor 12 Pro Gen2
89
performance 0
features 0
software 80
value 86
hardware 96
ease 84

Specs side-by-side

Asustor Flashstor 12 Pro versus Asustor Flashstor 12 Pro Gen2 — full spec comparison
Spec Asustor Flashstor 12 Pro Asustor Flashstor 12 Pro Gen2
CPU
—
Intel Atom x7835RE (8 cores)
RAM
—
16 GB DDR5 (expandable to 64)
Bays
—
12× M.2 NVMe Gen 4
Network
—
10 GbE × 1 + 2.5 GbE × 2
USB
—
4× USB 3.2 Gen 2

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

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

FAQ: Asustor Flashstor 12 Pro vs Asustor Flashstor 12 Pro Gen2

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

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 worth the price? +

At $1,099, Asustor Flashstor 12 Pro delivers a Specdex score of 88 — strongest in performance.

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.

Does Asustor Flashstor 12 Pro or Asustor Flashstor 12 Pro Gen2 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 or Asustor Flashstor 12 Pro Gen2? +

Asustor Flashstor 12 Pro — leads on software (86 vs 80). Compared on the software sub-score.

Which is the better value, Asustor Flashstor 12 Pro or Asustor Flashstor 12 Pro Gen2? +

Asustor Flashstor 12 Pro — more score per dollar ($1,099 vs $1,599). Specdex score per dollar at MSRP.