DriveStation™ DDR 

Buffalo’s DriveStation™ DDR is a 1-drive high performance USB 3.0 desktop attached storage device that offers ultrafast transfer speeds,  comparable to SSD. DriveStation DDR is the perfect solution for easily expanding storage or backing up your computer with fast file transfers.



DriveStation DDR is an ultrafast, high performance, 1-drive desktop attached storage device. Combining the high capacity of an HDD with the performance of DDR3 RAM, DriveStation DDR utilizes 1 GB of DRAM cache for blazing fast transfers, up to 408 Mbps.


  • 1 GB of DRAM cache for transfer speeds up to 2.3x faster than USB 3.0
  • USB 3.0 offers universal connectivity for PC and Mac® computers
  • Schedule automatic backups for your PC with Buffalo Backup Utility
  • Time Machine® support offers scheduled backups for protecting Mac computer
  • Sleek chassis can be positioned vertically or horizontally for efficient use of space


DriveStation DDR includes a 1 GB DRAM cache system to greatly accelerate file transfer performance - up to 2.3x faster! MegaCache Accelerator offers automatic enhancements with plug-and-play setup, with no utilities or special software to install.



With terabytes of storage, DriveStation DDR provides a reliable, easy to use storage solution to quickly expand the capacity of your PC and Mac computers with universal USB 3.0 plug-and-play.


DriveStation DDR is perfect for backing up your important files. Disaster and hard drive failures can occur unexpectedly; don't leave your important files and treasured memories in the hands of chance. Schedule regular backups for your PC with Buffalo Backup Utility or use Time Machine for your Mac. Protect all of your data, down to the last byte.


DriveStation DDR features a sleek, attractive chassis that can be positioned vertically or horizontally for efficient use of space. Stand it upright on your home office desktop or lay it flat below your TV as part of your media center.


Buffalo Tools is a feature-rich suite of optional software included on the Buffalo DriveStation DDR. Any or all of the following components of Buffalo Tools may be installed on Windows® PCs.

  • Buffalo's Backup Utility is a featured backup software for Windows PCs and can be used to back up one or multiple computers with a single Buffalo external hard drive.
  • eco Manager is an energy efficiency tool used to conserve energy and reduce battery consumption by regulating the power usage of the hard drive, cutting power to the drive during extended periods of inactivity.
  • TurboPC includes two components to enhance file transfer performance with external hard drives. It also includes TurboCopy which provides additional system adjustments to increase performance substantially.
  • SecureLock software for Windows® provides complete control of the data encryption on your Buffalo external hard drive, providing password protection and software data encryption.


Internal Hard Drives

Number of drives 1
Drive interface SATA 3 Gbps
Hard drive sizes 2 TB, 3 TB

USB Interface

Standard compliance USB 3.0 / 2.0
Data transfer rates 5 Gbps* (USB 3.0)
480 Mbps* (USB 2.0)
Connector type Micro B
Number of ports 1

* 480 Mbps and 5 Gbps are the maximum transfer rates derived from the specifications of the Universal Serial Bus 2.0 and 3.0. Actual transfer rates will vary depending upon environmental factors. Data rates, features and performance may vary based on the configuration of your system and other factors.


Dimensions (L x W x H) 8 x 1.8 x 5 in
Weight 2.2 lbs
Power consumption Max 18W
Power supply AC 100-240V, 50/60 Hz
Client OS support Windows® 10
Windows® 8 (32-bit/64-bit)
Windows® 7 (32-bit/64-bit)
Windows Vista® (32-bit/64-bit)
Windows® XP
Mac OS® X 10.5 or later*
Box contents

DriveStation DDR
USB 3.0 Cable
AC Adapter
Quick Setup Guide
Warranty Statement

*The HDD default format is NTFS; to work with Mac, reformat the HDD using Mac Disk Utility. Only basic external hard drive functionality is supported with this operating system; some included utilities may not work.




    File Size Post Date Version OS Support Notes
2016-25-04 1.00 Windows Firmware update for HD-GDU3 DriveStation DDR. NOTE: This update is critical to prevent failure of the drive!


    File Size Post Date Version OS Support Notes
2018-05-07 Link to manuals and quick setup guide for DriverStation DDR
2016-25-04 Quick Setup Guide for HD-GDU3
0.605 KB 2016-25-04 1.35 Windows TurboPC EX Readme
2016-25-04 1.01 Windows Readme for DriveNavigator 1.01 for HD-GDU3 (Windows)


    File Size Post Date Version OS Support Notes
12.15 MB 2016-25-04 1.35 Windows TurboPC EX
2016-25-04 1.01 Windows DriveNavigator for HD-GDU3 Version 1.01 (Windows) Includes all Windows utilities
2016-25-04 1.1 Mac Cache Control Tool for DriveStation DDR


DriveStation™ DDR 2 TB

  • - 2

DriveStation™ DDR 3 TB

  • - 3