QNAP TS-433 4-bay
Score: 82/100
Synology DS423
Score: 69/100Rankings
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 DS423 is a compact, entry-level 4-bay NAS that delivers Synology's DSM experience with low power draw and quiet operation, aimed at home users and small offices needing simple file sharing and backup.
| Attribute | | |
|---|---|---|
— | 72 TBbest | |
4best | 4best | |
2.5 Gbpsbest | 1 Gbps | |
4best | 4best | |
4 GBbest | 2 GB | |
| ↓ lower better | 22.54 Wbest | 32.41 W |
| ↓ lower better | — | 20.6 dBbest |
2 yearsbest | 2 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Security(1) | ||
OS Compatibility | QTS 5.0.1+ | DSM |
Performance(4) | ||
CPU Model | ARM Cortex-A55 quad-core 2.0 GHz | Realtek RTD1619B |
System Memory (GB) | 4 GB | 2 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 1 Gbps |
Power Consumption (Active) (W) | 22.54 W | 32.41 W |
Build & Design(2) | ||
Weight (kg) | 2.07 kg | 2.21 kg |
Power Supply Type | External AC adapter | 90W |
Connectivity(1) | ||
USB Ports | 3 | 2 |
Storage & Capacity(2) | ||
RAID Support | RAID 0, 1, 5, 6, JBOD | 0,1,5,6,10,Basic,Hybrid RAID,JBOD |
Supported Drive Types | 3.5" SATA HDDs, 2.5" SATA SSDs and HDDs | 3.5" SATA HDD,2.5" SATA 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 position the DS423 as a dependable, cost-effective entry-level NAS that delivers Synology's renowned DSM experience, while noting its limited CPU power and lack of expandability compared to higher-end models.
Everyday users appreciate the straightforward setup, quiet operation and dependable performance for everyday backup and media streaming, but are disappointed by the fixed RAM and modest processor.
“smartly designed home NAS”
“excellent AI photo tagging”
“forward-thinking”
