Product Code: 1640519

LaCie 2big Dock Thunderbolt 3 - 20TB

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RRP: £1,109.00 £869.00

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The LaCie 2big Dock Thunderbolt 3 hard drive is all about professionalism and convenience. The premium unit is aimed at those with professional workflows, supporting hardware controlled RAID 0, RAID 1 and even JBOD. The unit uses Seagate IronWolf Pro Enterprise-Class Drives that provide incredible speeds up to a maximum of 490MB/s which in turn can transfer a full hour of 4K footage in as little as a minute. This versatile unit provides various ports and slots that allow for a range of media including a USB 3.0, an SD and a CompactFlash card slot on the front for quick access. The rear of the unit provides a USB 3.1 port and two Thunderbolt 3 ports, as well as a DisplayPort allowing you to connect your HD display. Included with this unit, LaCie offers one-month access to Adobe's All Apps Plan, a 5-year Limited Warranty and Data Rescue Services.

Lacie 2big Dock Thunderbolt 3 Key Features:

  • A premium external hard drive for professional workflows
  • Support hardware controlled RAID 0, RAID 1 and even JBOD
  • The 2big dock comes reconfigured as HFS+ RAID 0
  • Use of Seagate IronWolf Pro Enterprise-Class Drives
  • You can transfer 1 hour of footage in as little as 1 minute
  • Offers an incredible max working speed of 490MB/s
  • Includes CompactFlash and SD card slots for ease-of-use
  • Provides up to 27W of power for charging your laptop
  • Compactible with both Mac and Windows systems
  • 2 Thunderbolt 3, 1 USB 3.0 Type-C port and 1 USB 3.0 Type-A
  • A display port to connect to HD 720-1080p and 4K displays
  • Includes a one-month creative Adobe All Apps Plan
  • 5-year Limited Warranty and Data Rescue Services

Expanded Lacie 2big Dock Thunderbolt 3 Key Features:

Ports and Slots

This hard drive is all about professionalism and making your life as easy as possible. To do so, LaCie has incorporated various connection points for different cable and system types. This includes a USB 3.0 hub on the front of the unit that allows you to charge your phone, connect a portable hard drive or your digital camera. The front of the unit is also equipped with an SD and CompactFlash card slot. These of course allow you to directly transfer your fresh images and videos as soon as you've finished capturing them.

The rear of the unit features more options for you to transfer data and connect to your computer or laptop. There's a USB 3.1 port that provides compatibility with USB-C and USB 3.0 devices via the included adapter cable. There are two Thunderbolt 3 ports that allow you to daisy chain up to 5 additional LaCie 2big drives or any other Thunderbolt or USB-C solution. Finally, you can connect your LaCie 2big Dock to your high-resolution 720-1080p and 4K display via the DisplayPort also found on the rear of the unit.


The RAID Manager makes it easy to configure any 2big for speed, capacity, or data redundancy and allows the user to monitor the system's health via handy email notifications. RAID 0 (Stripe Mode) is for performance. Drives are stripped together and function like one large drive, enabling max speed and capacity. RAID 1 (Mirror Mode) if for redundancy, as the name suggests the drives mirror each other, meaning that data is automatically the same on both drives. If one fails, the other acts as a backup. Finally, JBOD is for flexibility (Just a Bunch of Disks). Drives function independently, offering two separate drives in one enclosure.

Seagate IronWolf Pro Enterprise-Class Drives

These drives are inside of the latest-gen 2big solutions and support up to 300 TB/year workloads. They are specially designed for RAID and high-speed 7,200 RPM performance while delivering its user's smooth power management, massive capacity, as well as 24/7 reliability. The internal drives store up to 900 hours of 4K footage, 280k raw images and are capable of transferring 1 hour of 4k footage in as little as a minute!

What's in the box?

  • 1 x LaCie 2big Dock Thunderbolt 3
  • 1 x Thunderbolt 3 / USB Type-C Cable
  • 1 x USB 3.0 Type-C to Type-A Adapter
  • 1 x External Power Supply
  • 1 x Limited 5-Year Warranty

Lacie 2big Dock Thunderbolt 3 Product Video:

LaCie 2big Dock Thunderbolt 3-GB


Can the drives be removed and replaced if I need more space?

The drives can be removed and upgraded to larger capacity should you need to. These drives are sold separately.

Will is read CFast 2.0 as well as older CFast cards?

This unit only supports CF cards. For newer CFast cards, you'll a separate reader which can then be plugged into the USB port on the front.

Is the fan noise loud and distracting?

RAIDs can be loud but this LaCie drive features a quiet fan that is not distracting.

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Product Specification

Colour Silver
Connectivity 2x Thunderbolt 3, 1x USB 3.1, 1x DisplayPort, 1x USB 3.0, 1x SD Card, 1x CF Card
Model 2big Dock
Size 217 x 118 x 93.3 mm
Storage Capacity 20TB
Transfer Rate Up to 440MB/s
Weight [g] 2900.00
Manufacturers Link Lacie
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Product Code: 1640519-wex Manufacturers Part Number: STGB20000400