Asustor Flashstor 12 Pro Gen2 Review
All-flash · 12× M.2 NVMe · 10 GbE
Specdex verdict Asustor's Asustor Flashstor 12 Pro Gen2 is a solid premium pick — strongly recommended, even if it doesn't unseat the category leaders.
The all-flash NAS that finally makes M.2 the primary storage tier. 12 NVMe slots + 10 GbE + 16 GB DDR5 — silent, fast, and the right architecture for video/photo libraries.
Specdex doesn't run benchmarks in-house. The verdict is an editorial assessment based on manufacturer specs and public reviewer consensus. See methodology.
Asustor Flashstor 12 Pro Gen2 versus its closest rivals
- +12× M.2 NVMe slots
- +10 GbE built-in
- +Silent — no spinning drives
- −NVMe TB-per-dollar still pricey
- −Heat management critical
- −ADM software trails DSM polish
Who's the Asustor Flashstor 12 Pro Gen2 for?
Quick verdicts for the most common buyer profiles, derived from the sub-scores above.
Compute scores trail current top-tier — look at our step-up alternatives below if performance is the priority.
At $1,599 you're in flagship territory — check the "cheaper alternatives" block below for nearer-equivalent picks at half the price.
In the box
What you get when you unbox the Asustor Flashstor 12 Pro Gen2.
- NAS chassis
- Drive bay caddies
- Power adapter
- Ethernet cable
- Mounting screws
Standard contents — region/SKU may vary; confirm at retailer.
Sources & benchmarks
Cited, not generatedSpecdex does not run benchmarks in-house. We're rolling out cited public benchmark data category by category — PassMark for CPUs and GPUs is wired today; DXOMark, RTINGS, Geekbench, and NotebookCheck will follow.
Sources we use when available: PassMark for CPU/GPU, Geekbench Browser for synthetic, DXOMark for camera scores, RTINGS for TVs, monitors, and headphones. See methodology.
Specifications
Editorial · awaiting verification| Specification | Value |
|---|---|
| CPU | Intel Atom x7835RE (8 cores) |
| RAM | 16 GB DDR5 (expandable to 64) |
| Specification | Value |
|---|---|
| USB | 4× USB 3.2 Gen 2 |
| Specification | Value |
|---|---|
| Bays | 12× M.2 NVMe Gen 4 |
| Network | 10 GbE × 1 + 2.5 GbE × 2 |
Cheaper alternatives to the Asustor Flashstor 12 Pro Gen2
Same category, at least 20% cheaper, best-scoring picks from our catalog.
Step up from the Asustor Flashstor 12 Pro Gen2
Higher-scoring nas if you've got more to spend.
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Also consider
Where the Asustor Flashstor 12 Pro Gen2 appears on Specdex
Curated lists, spec rankings, and buying guides where this product is mentioned or ranked.