
Terramaster F4-424 Pro
Score: 87/100
Terramaster T9-500 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.

A 9-bay desktop NAS powered by an Intel i7-1255U, dual 10 GbE, and up to 216 TB raw capacity, targeting creative professionals and SMBs needing high throughput and flexible RAID.
| Attribute | ![]() | ![]() |
|---|---|---|
88 TB | 216 TBbest | |
4 | 9best | |
2.5 Gbps | 10 Gbpsbest | |
8 | 10best | |
32 GBbest | 16 GB | |
| ↓ lower better | 33 Wbest | — |
| ↓ 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 | TOS 5.0 | TOS 6 |
Performance(4) | ||
CPU Model | Intel Core i3-N305 | Intel i7-1255U |
CPU Cores | 8 | 10 |
System Memory (GB) | 32 GB | 16 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 10 Gbps |
Connectivity(1) | ||
USB Ports | 2 | 4 |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 88 TB | 216 TB |
Drive Bays | 4 | 9 |
RAID Support | TRAID, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, Single | RAID 0, 1, 5, 6, 10, TRAID, TRAID+ |
Supported Drive Types | 3.5" SATA HDD, 2.5" SATA HDD, SATA SSD | SATA |

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 commend the T9-500 Pro for its high-end Intel i7 processor, dual 10 GbE ports, and metal chassis, noting enterprise-level performance, while pointing out the diskless nature and less mature TOS 6 UI.
Everyday users rave about blazing transfer speeds over 10 GbE and easy RAID configuration, but note fan noise, a learning curve with TOS, and the need to buy drives separately.