QNAP TS-433 4-bay
Score: 82/100
Asustor AS5402T
Score: 82/100Rankings
The QNAP TS-433-4G-US is a compact 4-bay NAS powered by an ARM Cortex-A55 CPU, offering AI-driven photo management, dual Ethernet (including 2.5 GbE), hardware encryption and low power consumption for home and small-office use.
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.
| Attribute | | |
|---|---|---|
— | 48 TBbest | |
4best | 2 | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
4best | 4best | |
4 GBbest | 4 GBbest | |
| ↓ lower better | 22.54 Wbest | 22.9 W |
| ↓ lower better | — | 18.6 dBbest |
2 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Security(1) | ||
OS Compatibility | QTS 5.0.1+ | ADM |
Performance(2) | ||
CPU Model | ARM Cortex-A55 quad-core 2.0 GHz | Intel Celeron N5105 |
Power Consumption (Active) (W) | 22.54 W | 22.9 W |
Build & Design(3) | ||
Weight (kg) | 2.07 kg | 1.6 kg |
Power Supply Type | External AC adapter | External 65W |
Warranty Period (years) | 2 years | 3 years |
Storage & Capacity(3) | ||
Drive Bays | 4 | 2 |
RAID Support | RAID 0, 1, 5, 6, JBOD | RAID 0, RAID 1, JBOD, Single |
Supported Drive Types | 3.5" SATA HDDs, 2.5" SATA SSDs and HDDs | 3.5" and 2.5" SATA HDD/SSD |
Products in the top-left offer the best value (high score, low price).
Professional reviewers describe the TS-433 as a smartly designed home NAS that balances performance, AI features, and affordability. They commend its AI-driven photo management and 2.5 GbE connectivity, but caution that the ARM CPU and fixed 4 GB RAM limit software compatibility and future expandability.
Everyday users appreciate the device's easy setup, quiet operation, and especially the fast, accurate AI photo organization. The 2.5 GbE port is frequently praised for speeding up backups and streaming, while common frustrations revolve around limited RAM, occasional performance slowdowns under load, and the lack of SSD cache or broader app support.
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.
“smartly designed home NAS”
“excellent AI photo tagging”
“forward-thinking”
