Buffalo TeraStation TS3420R
Score: 74/100
Terramaster T12-500 Pro
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.
A secure, rack-mountable 4-bay NAS with built-in drives, 2.5 GbE networking and strong encryption, aimed at small offices and home labs, but constrained by modest memory and lack of performance-enhancing features.
| Attribute | Buffalo TeraStation TS3420R | ![]() |
|---|---|---|
32 TB | 288 TBbest | |
4 | 12best | |
2.5 Gbps | 10 Gbpsbest | |
— | 10best | |
1 GB | 16 GBbest | |
| ↓ lower better | 100 Wbest | 115 W |
| ↓ lower better | — | 24.5 dBbest |
3 yearsbest | 2 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Buffalo TeraStation TS3420R | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | Windows, macOS, Linux | TOS 6 |
Performance(4) | ||
CPU Model | Annapurna Labs Alpine AL214 | Intel i7-1255U |
System Memory (GB) | 1 GB | 16 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 10 Gbps |
Power Consumption (Active) (W) | 100 W | 115 W |
Build & Design(2) | ||
Weight (kg) | 7.7 kg | 7.9 kg |
Warranty Period (years) | 3 years | 2 years |
Connectivity(1) | ||
USB Ports | 2 | 4 |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 32 TB | 288 TB |
Drive Bays | 4 | 12 |
RAID Support | RAID 0,1,5,6,10,JBOD | Single, RAID 0, 1, 5, 6, 10, JBOD, TRAID, TRAID+ |
Supported Drive Types | 3.5" SATA III | SATA |

Products in the top-left offer the best value (high score, low price).
Professional reviewers view the TeraStation Essentials as a solid, security-focused NAS that delivers enterprise-grade features at a modest price, highlighting its built-in drives, 2.5 GbE port and comprehensive warranty, while noting the omission of iSCSI, failover and SSD caching as trade-offs for its lower cost.
Everyday users praise the device for its straightforward, out-of-the-box setup, reliable support and robust security, but commonly express concerns about limited memory, the default RAID5 capacity reduction and the lack of performance-enhancing features such as SSD cache or 10 GbE.

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.
“Pre-configured RAID5 with four 2 TB drives for immediate plug-and-play deployment”
“Only 1 GB DDR3 RAM may limit performance under heavy concurrent access”
“Hybrid cloud integration with Amazon S3, Dropbox, Azure and OneDrive”