Terramaster T12-500 Pro
Score: 76/100
Buffalo WS5420RN48W5
Score: 76/100Rankings
A 12-bay high-performance NAS with an i7 CPU, dual 10 GbE, and up to 288 TB storage, suited for SMBs and power users needing virtualization and media services.
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 | | |
|---|---|---|
288 TBbest | 48 TB | |
12best | 4 | |
10 Gbpsbest | 10 Gbpsbest | |
10best | 2 | |
16 GBbest | 8 GB | |
| ↓ lower better | 115 Wbest | — |
| ↓ lower better | 24.5 dBbest | — |
2 years | 3 yearsbest |
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) | 288 TB | 48 TB |
Drive Bays | 12 | 4 |
RAID Support | Single, RAID 0, 1, 5, 6, 10, JBOD, 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 praise the T12-500 Pro for its desktop-class i7 processor, dual 10 GbE connectivity, and flexible TRAID system, noting enterprise-level performance at a competitive price, while calling out the lack of redundant power and plastic drive trays.
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.”
