LaCie d2 Thunderbolt 2
Professional Desktop Storage

LaCie 2big Thunderbolt 2

Sorry, this product is no longer available, please contact us for a replacement.


LaCie has redefined a proven design with the new d2. Featuring Thunderbolt 2, USB 3.0, and a professional Seagate® 6TB 7200-RPM hard drive, the LaCie d2 delivers superb performance for heavy data users. It’s even possible to boost speeds to up to 1150MB/s and add 128GB of SSD storage by installing the LaCie® d2 SSD Upgrade (sold separately). Additionally, the LaCie d2 features an innovative all-aluminum unibody enclosure for incredible durability and low vibration.

Proven Design, Redefined. With SSD Speed Potential.

  • Professional speeds of up to 220MB/s
  • USB 3.0 and dual Thunderbolt™ 2 ports for universal compatibility
  • Aluminum unibody for reduced noise and vibration
  • Boost speeds up to 1150MB/s with d2™ SSD Upgrade

Use Cases:

  • Digital Library Storage: Huge capacity and high speeds make this product a perfect solution for storing and browsing a massive RAW Adobe® Lightroom® library.
  • Audio Mixing: Make the LaCie d2 Thunderbolt 2 the ultimate solution for audio projects by installing the d2 SSD Upgrade. SSD speed lets pros mix hundreds of audio tracks simultaneously, and large hard disk capacity lets them store final projects.
  • Video Editing: The LaCie d2 with the d2 SSD Upgrade installed provides enough bandwidth to edit GoPro footage with zero lag, and the hard drive capacity lets them archive footage and final projects.
  • Fast Project Copying: Move files incredibly quickly from the LaCie d2’s SSD to a LaCie Rugged® Thunderbolt SSD, reducing the time needed to deliver projects to clients. Then, free up the LaCie d2’s SSD space by moving the completed project to the LaCie d2’s hard drive as a background task.




Item Number: STEX4000400 STEX6000400 STEX8000401
Capacity 4 TB 6 TB 8 TB
Internal Storage Media 1 × 7200-RPM hard drive
Interface Transfer Rates Thunderbolt 2: 20Gb/s
Cooling Aluminum enclosure for efficient heat dissipation
Unibody enclosure for low vibration and reduced noise
Product Dimensions (LxWxD) 2.362in x 8.543in x 5.118in (60mm x 217mm x 130mm)
Product Weight 3.748lb (1.7kg)
Box Packaging Dimensions (LxWxD) 5.709in x 7.087in x 9.449in (145mm x 180mm x 240mm)
Product Weight 4.85lb (2.2kg)
System Requirements  Computer with a Thunderbolt™ 2, USB 3.0, Thunderbolt, or USB 2.0 port
Minimum free disk space: 600MB recommended
Latest version of Windows® 7, Windows 8 / Mac OS® X 10.6.8 or later
Software Intego® Backup Manager Pro (Windows)
Genie® Backup Manager Pro (Mac)
LaCie Private-Public (protect data with AES 256-bit encryption)
Box Content LaCie® d2™ Thunderbolt 2
Thunderbolt cable
USB 3.0 cable (USB 2.0 compatible)
External power supply
Quick Install Guide


d2 Thunderbolt 3 d2 Thunderbolt 2 d2 Quadra USB 3.0 d2 USB 3.0
Strengths Performance
Universal compatibility
Max. Capacity 10TB 8TB 5TB 5TB
RPM 7200 7200 7200 7200
Enterprise Class ✔ (8TB only) -- --
Interface Transfer Rate Up to 240MB/s Up to 220MB/s Up to 130MB/s Up to 200MB/s
Interface 2 × Thunderbolt 3
1 × USB 3.1
2 × Thunderbolt 2
1 × USB 3.0
1 × USB 3.0
1 × eSATA 3Gb/s
2 × FireWire 800
1 × USB 3.0
Compatibility Thunderbolt 3
Thunderbolt 2
Thunderbolt 2
USB 3.0
USB 3.0
FireWire 800
USB 3.0
Incl. Cables & Adapters Thunderbolt 3
(USB-C 40Gb/s) cable
USB 3.0 (USB-C to USB-A) adapter cable
Thunderbolt cable
USB 3.0 cable
USB 3.0 cable
eSATA cable
FireWire 800 (9-pin to 9-pin) cable
USB 3.0 cable
Limited Warranty 5-year 3-year 5-year(8TB) 3-year 3-year
Rescue Data Recovery Services 5-year -- -- --


Download the LaCie d2 Thunderbolt 2 Datasheet (PDF)