QNAP TS-433 4-bay
Score: 82/100
Synology DS223j 2-bay
Score: 70/100Rankings
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 DS223j is a compact, diskless two-bay NAS that delivers the full DSM experience, RAID 1 redundancy and low power draw. It's ideal for basic file storage and backup, though its single-gigabit port and limited RAM keep it from handling demanding media tasks.
| Attribute | | |
|---|---|---|
4best | 2 | |
2.5 Gbpsbest | 1 Gbps | |
4best | 4best | |
4 GBbest | 1 GB | |
| ↓ lower better | 22.54 W | 16.31 Wbest |
| ↓ lower better | — | 18.2 dBbest |
2 yearsbest | 2 yearsbest | |
| ↓ lower better | 2.07 kg | 0.87 kgbest |
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 | 1 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 1 Gbps |
Power Consumption (Active) (W) | 22.54 W | 16.31 W |
Build & Design(2) | ||
Weight (kg) | 2.07 kg | 0.87 kg |
Power Supply Type | External AC adapter | 60W AC adapter |
Connectivity(1) | ||
USB Ports | 3 | 2 |
Storage & Capacity(3) | ||
Drive Bays | 4 | 2 |
RAID Support | RAID 0, 1, 5, 6, JBOD | RAID 0,1,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 view the DS223j as a solid successor to the DS220j, highlighting the faster Realtek quad-core CPU and polished DSM experience, but note the lack of tool-less drive bays and limited media-streaming capability.
Everyday users appreciate the straightforward setup, reliable file access, and the ability to replace cloud storage costs with a one-time purchase, while recurring complaints focus on the noisy fan during spin-down, limited RAM, and difficulties with H.265 video playback.
“smartly designed home NAS”
“excellent AI photo tagging”
“forward-thinking”
