LaCie 4TB d2 with Thunderbolt 2 & USB3.0

This product has been discontinued by LaCie. 

Still available in 6TB.

SKU: STEX4000400


LaCie d2 Thunderbolt Design

The newly designed LaCie 4TB d2 Thunderbolt 2 has Dual Thunderbolt 2 ports to allow for daisy chaining up to six drives to one computer. Thunderbolt 2 is backwards compatible with Thunderbolt 1 devices. When connecting via Thunderbolt this drive requires MAC users to be running OS 10.8.5 or higher.

d2 Interface Options

For non-Thunderbolt computers this model also has an additional USB 3.0 port which will allow high speed data transfers. The USB 3.0 port is also backwards compatible to USB2.

LaCie Software Suite

Along with the drive LaCie also include a software bundle including backup software for MAC/PC and LaCie Private-Public software to protect your data with AES 256-bit encryption.


The LaCie d2 Thunderbolt2 has a 3 year limited warranty which can be upgraded with one of LaCie’s warranty upgrade packages – here.


  • Manufacturers Part Number: STEX4000400 (previously 9000493)
  • Internal Drive: 1 x 4TB/7200 RPM/64 MB cache (or greater) hard disk
  • Professional speeds of up to 180MB/s*
  • USB 3.0 and dual Thunderbolt 2 ports for universal compatibility
  • Aluminum unibody for reduced noise and vibration
  • Dimensions: 60 x 217 x 130 mm | 2.4 x 8.5 x 5.1 in.
  • Weight: 1.4 kg | 3.1 lbs
  • Cooling: Fan-free design with all-aluminum unibody enclosure for low vibration and near-silent operation
  • Acoustic: Typical noise level: 28 dB^


Additional information






Disk Type


Mains Powered


3 Years


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