| Product Type | External Hard Drive |
| Model | DriveStation DDR |
| Manufacturer Part Number | HD-GD3.0U3 |
| Storage Capacity | 3 TB |
| Form Factor | Desktop |
| Weight | 2.2 lbs |
| Power Consumption (Operational) | 18 Watt |
| Power Supply Type | External Power Adapter |
| Voltage Required | AC 100-240 V, 50/60 Hz |
| Performance Boost | 1 GB DRAM cache increases transfer speed up to 2.3x faster than USB 3.0 |
| Operating System Compatibility | Windows 11 |
BUFFALO DriveStation DDR 3TB USB 3.0 External HDD

Key Benefits
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- Accelerates productivity with DRAM cache boosting file transfer speeds up to 2.3x over standard USB 3.0.
- Energy-efficient design consumes only 18W while delivering fast performance, ideal for desktop or professional environments.
- Backed by a 3-year warranty and built in Japan with TAA compliance, ensuring long-term reliability and regulatory assurance.
Product Overview
The BUFFALO DriveStation DDR HD-GD3.0U3 offers 3TB of high-speed storage with support for USB 3.0 and SATA 3 Gb/s interfaces, providing data transfer rates up to 3 GBps. Its integrated 1GB DRAM cache boosts file transfer speeds by up to 2.3x compared to standard USB 3.0 solutions. Designed for Windows 11 compatibility, its compact footprint (8 x 1.8 x 5 inches) and energy-efficient 18W performance make it ideal for office or home setups. Operating safely within 5–35°C and 20–80% humidity, it’s TAA-compliant and manufactured in Japan, backed by a 3-year warranty for dependable data protection.
Specifications
Product Overview
Physical & Environmental
| Width | 8 inches |
| Depth | 1.8 inches |
| Height | 5 inches |
| Minimum Operating Temperature | 5°C |
| Maximum Operating Temperature | 35°C |
| Operating Humidity Range | 20% - 80% (non-condensing) |
| Enclosure Material | Plastic with matte finish |
| Cooling Method | Passive |
Cloud Management & Licensing
| Bundled Management Software | Buffalo Backup Utility |
| Software Support | Windows Backup compatible |
| Password Protection | Included |
Interfaces
| Interface Type | USB 3.0 |
| Additional Interface | SATA 3 Gb/s (internal) |
| Data Transfer Rate | Up to 3 GBps |
| USB Connector Type | USB Type-B SuperSpeed (USB 3.0) |
| Backward Compatibility | USB 2.0 |
| Number of USB Ports | 1 |
Compliance & Origin
| Country of Origin | Japan |
| TAA Compliant | Yes |
| Certifications | FCC, CE, VCCI, RoHS |
| Warranty Period | 3 Years |
| UPC | 747464127132 |
Advanced Security Features
| Data Encryption | 256-bit AES (software-based encryption) |
| Drive Lock Utility | Yes |
| Backup Scheduling | Yes (via Buffalo software) |