Buffalo TS3430DN3204
Score: 75/100
Buffalo WS5420RN48W5
Score: 76/100Rankings
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.
The TeraStation 3430DN is a 4-bay desktop NAS aimed at SMBs, offering 32 TB of storage, strong security features, and dual Ethernet ports. It provides reliable 24/7 operation but is limited by modest RAM and lack of SSD caching.
| Attribute | | |
|---|---|---|
32 TB | 48 TBbest | |
4best | 4best | |
2.5 Gbps | 10 Gbpsbest | |
4best | 2 | |
2 GB | 8 GBbest | |
3 yearsbest | 3 yearsbest | |
| ↓ lower better | 7.3 kgbest | — |
2best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Security(1) | ||
OS Compatibility | Windows 10/11/Server 2016–2022, macOS 12+, Chrome OS | Windows Server IoT 2025 |
Performance(4) | ||
CPU Model | Annapurna Labs Alpine AL-524 Quad-Core CPU | Dual-core Atom |
CPU Cores | 4 | 2 |
System Memory (GB) | 2 GB | 8 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 10 Gbps |
Storage & Capacity(3) | ||
Maximum Raw Capacity (TB) | 32 TB | 48 TB |
RAID Support | RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD | RAID 0, RAID 5, RAID 6 |
Supported Drive Types | 3.5" SATA III | 3.5" SATA |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the TeraStation 3430DN for its solid reliability, strong security posture and straightforward deployment, noting the 2.5 GbE port and closed-system architecture set it apart in the SMB segment.
Everyday users appreciate the plug-and-play experience, dependable uptime, and robust security features, especially the ransomware detection, while noting fan noise and limited RAM as drawbacks.
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 30 minutes. Perfect for our 20-person office. Security features give us confidence.”
“The fan can get noisy during heavy use, but overall it's reliable.”
“I wish it had SSD caching for faster access to hot files.”
