
Asustor AS5402T
Score: 82/100
Terramaster F2-425 Plus
Score: 74/100Rankings

The Asustor AS5402T is a high-performance 2-bay NAS with quad-core processing, dual 2.5 GbE, four M.2 NVMe slots and HDMI output, aimed at creators and small offices.

The TerraMaster F2-425 Plus is a compact two-bay NAS that combines a powerful Intel N150 quad-core CPU, 8 GB DDR5 RAM, dual 5 GbE ports and three M.2 NVMe slots, delivering high-speed hybrid storage and direct 4K/8K media playback via HDMI.
| Attribute | ![]() | ![]() |
|---|---|---|
48 TB | 88 TBbest | |
2best | 2best | |
2.5 Gbps | 5 Gbpsbest | |
4best | 4best | |
4 GB | 8 GBbest | |
| ↓ lower better | 22.9 Wbest | 48 W |
| ↓ lower better | 18.6 dBbest | 20 dB |
3 yearsbest | 2 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | ADM | TOS 6.0 |
Performance(5) | ||
CPU Model | Intel Celeron N5105 | Intel N150 |
System Memory (GB) | 4 GB | 8 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 5 Gbps |
Power Consumption (Active) (W) | 22.9 W | 48 W |
Noise Level (dB) | 18.6 dB | 20 dB |
Build & Design(3) | ||
Weight (kg) | 1.6 kg | 1.9 kg |
Power Supply Type | External 65W | External |
Warranty Period (years) | 3 years | 2 years |
Storage & Capacity(3) | ||
Maximum Raw Capacity (TB) | 48 TB | 88 TB |
RAID Support | RAID 0, RAID 1, JBOD, Single | RAID 0, 1, 5, 6, 10, JBOD, Single, TRAID, TRAID+ |
Supported Drive Types | 3.5" and 2.5" SATA HDD/SSD | 3.5" SATA HDD, 2.5" SATA HDD, SATA SSD |

Products in the top-left offer the best value (high score, low price).

Professional reviewers award it Editors' Choice for speed and expandability, noting the lack of RAID 5/6 and plastic housing as minor drawbacks.
Users praise the fast 4K streaming, M.2 flexibility and quiet design, while complaining about missing RAID 5 and the plastic exterior.

“Up to 245 MB/s write and 222 MB/s read over 2.5 GbE - exceptional transfer speeds”

“The HDMI 2.0b output lets me play 4K HDR directly on my TV”

“Tool-free, hot-swappable drive bays make upgrades painless”



Professional reviewers commend the F2-425 Plus for its hardware-forward design, noting the rare triple M.2 slots, dual 5 GbE ports and strong Intel CPU as standout features that deliver fast file transfers and reliable 4K/8K transcoding. However, they consistently point out the modest TOS app ecosystem and less polished UI as the main drawbacks that keep it from being a market leader.
Everyday users appreciate the straightforward setup, quiet operation, rapid file transfers and the convenience of HDMI output for media playback. The most common complaints revolve around the limited app selection and a UI that feels less refined than competing platforms.