QNAP TS-433 4-bay
Score: 82/100
Terramaster F4-425 Plus
Score: 61/100Rankings
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 TerraMaster F4-425 Plus is a high-performance 4-bay NAS featuring an Intel N150 quad-core CPU, 16 GB DDR5 memory, dual 5 GbE networking and three M.2 NVMe slots. It targets homelab enthusiasts and small-business users who need ample RAM and fast hybrid storage, though its UI and expandability lag behind some competitors.
| Attribute | | |
|---|---|---|
— | 120 TBbest | |
4best | 4best | |
2.5 Gbps | 5 Gbpsbest | |
4best | 4best | |
4 GB | 16 GBbest | |
| ↓ lower better | 22.54 Wbest | 62 W |
| ↓ lower better | — | 33 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+ | TOS 6.0.783 |
Performance(4) | ||
CPU Model | ARM Cortex-A55 quad-core 2.0 GHz | Intel N150 |
System Memory (GB) | 4 GB | 16 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 5 Gbps |
Power Consumption (Active) (W) | 22.54 W | 62 W |
Build & Design(2) | ||
Weight (kg) | 2.07 kg | 2.9 kg |
Power Supply Type | External AC adapter | External |
Connectivity(1) | ||
USB Ports | 3 | 4 |
Storage & Capacity(2) | ||
RAID Support | RAID 0, 1, 5, 6, JBOD | TRAID, TRAID+, RAID 0, 1, 5, 6, 10, JBOD, Single |
Supported Drive Types | 3.5" SATA HDDs, 2.5" SATA SSDs and HDDs | SATA III |
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.
“smartly designed home NAS”
“excellent AI photo tagging”
“forward-thinking”
Reviewers praise the powerful Intel CPU, generous DDR5 memory and dual 5 GbE ports, but criticize the dated TOS interface, lack of PCIe expansion and limited HDMI functionality.
Users love the silent operation, strong RAM for Docker/VMs and hardware transcoding, while common complaints revolve around the unusable HDMI port, UI clunkiness and desire for faster PCIe 4.0 NVMe slots.
