Terramaster
The TerraMaster T9-500 Pro is a 9‑bay, desktop‑class NAS powered by an Intel Core i7‑1255U and 16 GB DDR5 RAM, offering dual 10 GbE ports, up to 216 TB raw capacity, and advanced RAID/TRAID+ features for business‑grade performance and flexibility.
Pros
Current
$1,799.99
Average
$1,592.00
Lowest
$1,499.99
Highest
$1,799.99
Lower = better sales rank
Sysracks
MINISFORUM
Ostation
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Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Best For
Creative professionals needing >2 GB/s write speeds for 4K video editing, SMBs requiring centralized backup and off‑site replication, IT departments looking for a Docker/VirtualBox host, and power users who want high expandability and online RAID migration.
Not Ideal For
Home users on a tight budget, plug‑and‑play customers who prefer a fully bundled solution, or mission‑critical environments that mandate ECC memory and a highly mature OS ecosystem.
Expert Opinion
Professional reviewers commend the T9-500 Pro for its high‑end Intel i7 processor, DDR5 memory, and dual 10 GbE ports, noting that it delivers performance levels usually seen in more expensive enterprise units. They highlight the TRAID+ feature as a major advantage for scalable storage, but caution that the TOS 6 operating system still trails competitors in polish, app ecosystem, and granular control.
What Users Say
Everyday users rave about the blazing transfer speeds, especially over 10 GbE, and appreciate the ease of RAID configuration and the ability to plug in existing drives directly. Common complaints focus on fan noise under load, a learning curve with TOS, occasional software bugs, and the lack of included drives or a more capable mobile app.
Common Complaints
Fan noise under sustained heavy workloads, occasional early‑version TOS bugs, lack of bundled HDD/SSD increasing overall cost, and a mobile app that offers only basic functionality.
How It Compares
vs. Synology DS1821+
Advantages
Disadvantages
Choose the T9-500 Pro for raw performance and expandability; choose the DS1821+ for a polished OS and broader app support.
vs. QNAP TS-h1283XU-RP
Advantages
Disadvantages
Select the T9-500 Pro when Intel i7 performance and simple RAID expansion are priorities; select QNAP for ECC support and higher bay count.
vs. Asustor AS7112T
Advantages
Disadvantages
Pick the T9-500 Pro for top‑tier compute and 10 GbE performance; pick Asustor for a quieter, more budget‑friendly solution.
