
Terramaster F4-424 Pro
Score: 87/100Terramaster U4-500
Score: 46/100Rankings

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.
A 1U 4-bay rackmount NAS with an Intel i3 CPU, dual 10 GbE, and up to 96 TB raw capacity, aimed at SMBs needing fast backup and media streaming.
| Attribute | ![]() | Terramaster U4-500 |
|---|---|---|
88 TB | 96 TBbest | |
4best | 4best | |
2.5 Gbps | 10 Gbpsbest | |
8best | 6 | |
32 GBbest | 8 GB | |
| ↓ lower better | 33 Wbest | — |
| ↓ lower better | 21 dBbest | 34.5 dB |
2 yearsbest | 2 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Terramaster U4-500 |
|---|---|---|
Security(1) | ||
OS Compatibility | TOS 5.0 | TOS 6 |
Performance(5) | ||
CPU Model | Intel Core i3-N305 | Intel i3-1215U |
CPU Cores | 8 | 6 |
System Memory (GB) | 32 GB | 8 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 10 Gbps |
Noise Level (dB) | 21 dB | 34.5 dB |
Build & Design(1) | ||
Weight (kg) | 1.905 kg | 6.2 kg |
Connectivity(1) | ||
USB Ports | 2 | 4 |
Storage & Capacity(3) | ||
Maximum Raw Capacity (TB) | 88 TB | 96 TB |
RAID Support | TRAID, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, Single | RAID 0, 1, 5, 6, 10, JBOD, Single, TRAID, TRAID+ |
Supported Drive Types | 3.5" SATA HDD, 2.5" SATA HDD, SATA SSD | SATA III, NVMe PCIe 4.0 x4 (caching) |

Products in the top-left offer the best value (high score, low price).

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.
Professional reviewers consider the U4-500 a performance leader in the SMB NAS segment, lauding its dual 10 GbE ports, DDR5 memory, and TOS 6 feature set, while noting limitations such as lack of PCIe expansion and modest base RAM.
Everyday users highlight easy setup, fast backup and streaming, but complain about fan noise, a learning curve for RAID/caching, and occasional software glitches.