
QNAP TS-433 4-bay
Score: 82/100
Terramaster F4-424 Pro
Score: 87/100Rankings

The TerraMaster F4-424 Pro is a high-performance 4-bay NAS aimed at business and media-centric use, featuring an 8-core Intel i3-N305 CPU, 32 GB DDR5 RAM and dual 2.5 GbE ports, supporting 4K 60 fps transcoding and NVMe caching.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 88 TBbest | |
4best | 4best | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
4 | 8best | |
4 GB | 32 GBbest | |
| ↓ lower better | 22.54 Wbest | 33 W |
| ↓ lower better | — | 21 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 5.0 |
Performance(4) | ||
CPU Model | ARM Cortex-A55 quad-core 2.0 GHz | Intel Core i3-N305 |
CPU Cores | 4 | 8 |
System Memory (GB) | 4 GB | 32 GB |
Power Consumption (Active) (W) | 22.54 W | 33 W |
Build & Design(2) | ||
Weight (kg) | 2.07 kg | 1.905 kg |
Power Supply Type | External AC adapter | Internal |
Connectivity(1) | ||
USB Ports | 3 | 2 |
Storage & Capacity(2) | ||
RAID Support | RAID 0, 1, 5, 6, JBOD | TRAID, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, Single |
Supported Drive Types | 3.5" SATA HDDs, 2.5" SATA SSDs and HDDs | 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 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”


Professional reviewers praise the F4-424 Pro for its unmatched CPU power, abundant DDR5 memory, and advanced media capabilities such as 4K 60 fps transcoding with AV1 support. The dual M.2 slots and TRAID flexibility are highlighted as strong differentiators, while the plastic enclosure, lack of 10 GbE, and limited physical security features are noted as drawbacks.
Everyday users appreciate the fast performance, smooth 4K streaming, and the convenience of NVMe caching, often noting the ample RAM as a major plus. Recurring complaints focus on the non-upgradable memory, the cheap-feel plastic chassis, and the missing front USB and security lock.