DriveStation™ DDR

Capacity And Speed

External Hard Drive


Buffalo Technology’s new dynamic random-access memory external hard drive is capable of extremely fast data-transfer speeds with an extra-large 1GB cache.

With the DRAM cache function enabled, the HD-GDU3 series hard drive efficiently buffers files during jobs enabling write speeds up to 400 MBs.

Ready to copy 1,000 – 800MB – photos? You’ll be done in about 3.5

Read speed is also impressive via the DRAM cache enabling speeds of up to 300 MBs which equates to approximately 1,000 – 800 MB – photos in 6.2 seconds.

Best of all, Buffalo is able to bring you this impressive technology in an affordable package, while still maintaining the quality you’ve come to know and expect.

Capacities :

2TB  HD-GD2.0U3-EU
3TB  HD-GD3.0U3-EU

Watch the video “Powering Your Digital Life”

Drivestation DDR Features

  • USB 3.0 Desktop Hard Drive
  • 1GB DDR3 RAM Cache – World’s First!
  • SSD-like Transfer Performance
  • HDD-like Capacity & Price
  • Class-leading 2-Year Warranty

World’s Fastest USB Hard Drive

  • 2.3x Faster than a USB 3.0 Drive
  • No Special Software or Drives
    • Works with PC and Mac
    • Enhanced performance with media devices, gaming consoles and other non-computer devices

Eco-friendly, power-saving (PC only)

ECO Manager – an eco-minded power management tool for Windows that regulates power usage, conserves energy

Buffalo backup utility for automatic data backup

Automatically backs up your Windows PCs, thus protecting your data.

Easy logon with Secure Lock Manager Easy

The Secure Lock Manager™ feature for Windows® simplifies access for you while keeping others out on Windows PCs. It automatically remembers your logon passwords, eliminating the need to enter one each time the drive is accessed whenever you are using the Full Automatic Encryption for Windows®.

Connect and go

Plug & Play connectivity: simply connect the hard drive to any USB port on a computer or other device you are connecting to. No need to install any drivers and no confusing settings.

USB 2.0 compatible

Fully backwards compatible with USB 2.0. No adjustments are needed; just plug into any USB 2.0 port

High-speed hard disk

The disk reads and writes data faster, so you spend less time waiting when transferring and saving files.

RAMDISK virtual disk utility

The Windows RAMDISK utility creates a small “virtual hard disk” using your computer’s RAM (Random Access Memory).

Eco feature saves power

The Eco feature cuts power consumption during stand-by mode using Auto Power OFF.

Internal Hard Drives
Number of Drives
Drive Type
HDD 3.5"
Total Capacity
2TB, 3TB
Drive Interface
USB Interface
Standard Compliance
USB 3.0 
Connector Type
USB 3.0 Type B
USB 3.0 Ports
Max Transmission Rate
Max: 5 Gb/s
Additional cache
1GB DDR3 RAM module
Client OS
Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP, Mac OS X 10.5 or later
1 Kg
Operating Environment
Power Supply
External AC 100-240V, 50/60Hz
Power Consumption (max.)
18 Watts
Power Management System
Special Features
DDR3 Dram Cache Technology for super speed and large capacity
Product Part Numbers
Product Code

Manuals / Setup / Latest Product Information


Please select your product from the menu below to download appropriate firmware, datasheet, driver, quick setup guide and manual.

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CD Images

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