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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
UGREEN NASync DXP4800 Plus — 4-bay · Intel Pentium · 10 GbE
UGREEN

UGREEN NASync DXP4800 Plus

4-bay · Intel Pentium · 10 GbE

88
/ 100
From $749
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 UGREEN NASync DXP4800 Plus 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 UGREEN NASync DXP4800 Plus if…

  • ✓Comes with 10 GbE built in
  • ✓Hot-swap 4× HDD + 2× M.2 NVMe
  • ✓BTRFS + ext4 support
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Winner by scenario

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

Hardware

Tie

Compared on the hardware sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Ease of use

Tie

Compared on the ease of use sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Software

Asustor Flashstor 12 Pro Gen2

Compared on the software sub-score

Asustor Flashstor 12 Pro Gen2 leads on software (80 vs 78).

Value for money

UGREEN NASync DXP4800 Plus

Specdex score per dollar at MSRP

UGREEN NASync DXP4800 Plus more score per dollar ($749 vs $1,599).

Asustor Flashstor 12 Pro Gen2 89
vs
88 UGREEN NASync DXP4800 Plus

Score breakdown

Asustor Flashstor 12 Pro Gen2
89
hardware 96
software 80
value 86
ease 84
UGREEN NASync DXP4800 Plus
88
hardware 95
software 78
value 92
ease 84

Specs side-by-side

Asustor Flashstor 12 Pro Gen2 versus UGREEN NASync DXP4800 Plus — full spec comparison
Spec Asustor Flashstor 12 Pro Gen2 UGREEN NASync DXP4800 Plus
CPU
Intel Atom x7835RE (8 cores)
▲ Intel Pentium Gold 8505 (5 cores, Hybrid)
RAM
▲ 16 GB DDR5 (expandable to 64)
8 GB DDR5 (expandable to 64)
Bays
12× M.2 NVMe Gen 4
4× 3.5″ SATA + 2× M.2 NVMe Gen 4
Network
10 GbE × 1 + 2.5 GbE × 2
10 GbE + 2.5 GbE
USB
4× USB 3.2 Gen 2
2× USB-C 10 Gbps + 2× USB-A 10 Gbps

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

UGREEN NASync DXP4800 Plus

Pros
  • +Comes with 10 GbE built in
  • +Hot-swap 4× HDD + 2× M.2 NVMe
  • +BTRFS + ext4 support
Cons
  • −NAS OS still maturing
  • −No public SDK yet
  • −Limited app catalog vs Synology

FAQ: Asustor Flashstor 12 Pro Gen2 vs UGREEN NASync DXP4800 Plus

Which is better, Asustor Flashstor 12 Pro Gen2 or UGREEN NASync DXP4800 Plus? +

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 UGREEN NASync DXP4800 Plus worth the price? +

At $749, UGREEN NASync DXP4800 Plus delivers a Specdex score of 88 — strongest in hardware.

Does Asustor Flashstor 12 Pro Gen2 or UGREEN NASync DXP4800 Plus 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 UGREEN NASync DXP4800 Plus? +

Asustor Flashstor 12 Pro Gen2 — leads on software (80 vs 78). Compared on the software sub-score.

Which is the better value, Asustor Flashstor 12 Pro Gen2 or UGREEN NASync DXP4800 Plus? +

UGREEN NASync DXP4800 Plus — more score per dollar ($749 vs $1,599). Specdex score per dollar at MSRP.