
Asustor AS6508T
Score: 86/100
Terramaster T9-500 Pro
Score: 87/100Rankings

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.

The Asustor AS6508T is an enterprise-grade 8-bay NAS featuring dual 10 GbE, optional NVMe caching and extensive RAID support, targeting SMBs and power users.
| Attribute | ![]() | ![]() |
|---|---|---|
128 TB | 216 TBbest | |
8 | 9best | |
10 Gbpsbest | 10 Gbpsbest | |
4 | 10best | |
8 GB | 16 GBbest | |
| ↓ lower better | 66.9 Wbest | — |
| ↓ lower better | 22 dBbest | — |
2 yearsbest | 2 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | ADM | TOS 6 |
Performance(3) | ||
CPU Model | Intel Atom C3538 | Intel i7-1255U |
CPU Cores | 4 | 10 |
System Memory (GB) | 8 GB | 16 GB |
Connectivity(1) | ||
USB Ports | 2 | 4 |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 128 TB | 216 TB |
Drive Bays | 8 | 9 |
RAID Support | RAID 0,1,5,6,10, JBOD, Single, hot spare, online capacity expansion | RAID 0, 1, 5, 6, 10, TRAID, TRAID+ |
Supported Drive Types | SATA III | SATA |


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

Reviewers praise its forward-looking networking, solid internal design and quiet operation, while noting UI sluggishness and lack of HDMI.
Users love the 10 GbE speed and NVMe caching but complain about the slow web UI and screw-mounted trays.

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.
“"Dual native 10 GbE and 2.5 GbE ports for high-bandwidth connectivity"”

“"Web UI can be sluggish, especially during initial configuration"”

“"Quiet operation at 22 dBA with smart fan control"”

