Terramaster T9-500 Pro
Score: 87/100
Buffalo WS5420RN48W5
Score: 76/100Rankings
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 TeraStation WS5420RN is a 4-bay 1U rackmount NAS running Windows Server IoT 2025, offering 48 TB of storage, 10 GbE networking and built-in NovaBACKUP. It provides a turnkey Windows-first solution but is constrained by a modest CPU and limited RAM.
| Attribute | | |
|---|---|---|
216 TBbest | 48 TB | |
9best | 4 | |
10 Gbpsbest | 10 Gbpsbest | |
10best | 2 | |
16 GBbest | 8 GB | |
2 years | 3 yearsbest | |
4best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Security(1) | ||
OS Compatibility | TOS 6 | Windows Server IoT 2025 |
Performance(3) | ||
CPU Model | Intel i7-1255U | Dual-core Atom |
CPU Cores | 10 | 2 |
System Memory (GB) | 16 GB | 8 GB |
Build & Design(1) | ||
Warranty Period (years) | 2 years | 3 years |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 216 TB | 48 TB |
Drive Bays | 9 | 4 |
RAID Support | RAID 0, 1, 5, 6, 10, TRAID, TRAID+ | RAID 0, RAID 5, RAID 6 |
Supported Drive Types | SATA | 3.5" SATA |
Products in the top-left offer the best value (high score, low price).
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.
Professional reviewers describe the WS5420RN as a Windows-first NAS that delivers day-one readiness with pre-installed drives and a familiar Windows Server interface, eliminating CAL licensing and adding value through NovaBACKUP and VSS snapshots.
Everyday users praise the quick Windows-like setup, seamless Azure/OneDrive integration and built-in backup, while noting limited RAM, fan noise and lack of a mobile app as drawbacks.
“Set up in under an hour-just like a Windows server.”
“Perfect for our small office using OneDrive and Azure.”
“Love that we don't have to buy CALs.”
