LaCie 6big Thunderbolt 3 Hard Drive 48TB Enterprise Class

Enterprise Class Storage - Thunderbolt 3/USB-C connectivity RAID 0/1/5/6

Think bigger—we've got you covered. With up to 48TB of capacity on your desktop, up to 1400MB/s speeds, and RAID 5/6, the LaCie  6big Thunderbolt 3 lets you rein in the stampede of data from ultra hi–res cameras.

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£3,499.00 £2,915.83
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LaCie’s 6big surpasses what the market has come to expect from enterprise class storage by aiming for, and achieving, a ground breaking redesign. A mechanised overhaul sets new benchmarks for consistency and adaptability. The LaCie 6big also provides premium performance thanks to Thunderbolt 3 technology and RAID hardware, and 48TB of storage.

It’s no longer that case that an interface is the debarring factor in a storage solution’s speed, thanks to Thunderbolt 3 technology. LaCie have succeeded in pressing the absolute best speeds out of its hard disks because the 6big capitalises on the Thunderbolt 3 I/O’s breakthrough performance potential. Continuous speeds of up to 1400 MB/s, capable of turbocharging file transfers and backups, are possible with the simple hardware additions of a RAID controller and 7200 RPM disks. The unit can run RAID 0, 1, 5, 6, 10.

A Digital photographer can enjoy seamless perusal of a massive RAW photo library with zero lag. Videographers re empowered to edit multiple 2K uncompressed 10-bit streams, or play back compressed 4K video with this kind of speed. Daisy chaining higher-resolution displays, like 4K monitors, is also now a possibility.

The LaCie 6big achieves top-line speeds on any late-model PC or Mac with USB-C and Thunderbolt 3 interfaces. USB 3.0 backward compatibility makes it possible to connect the LaCie 6big to any standard PC. You can seamlessly connect to both PC and Mac computers without losing your RAID configuration, with support for exFAT and built-in hardware RAID. Whatever your workstation, move mountains of data – fast. Included LaCie Private-Public software also enables AES 256-bit encryption to password-protect volumes.

More Information
Capacity 48TB
RPM 7200


  • 48TB


Internal Storage Media

  • 6 × hot-swappable* enterprise-class 7200RPM 64MB cache (or greater) hard disks



  • 2 × Thunderbolt™ 3
  • 1 × USB 3.1**
  • USB 3.0 and USB 2.0 compatible using included USB-C to USB adapter cable


Interface Transfer Rates

  • Thunderbolt 3: 40Gb/s
  • USB 3.1: 10Gb/s


Performance Benchmark

  • Thunderbolt 3 (reads | writes in MB/s):***
  • 6big RAID 0: 1400 | 1400
  • 6big RAID 5: 1200 | 1150
  • USB 3.1 (reads | writes in MB/s):
  • 6big RAID 0: 400 | 400
  • 6big RAID 5: 350 | 350


Interface Technology

  • Both Thunderbolt 3 and USB 3.1 through a single reversible USB-C cable
  • Bi-directional, dual-protocol, and supports dual 4K displays or one 5K display


Daisy Chain

  • Connect up to five Thunderbolt 3 or one USB 3.1 device or a high-resolution display via a single USB-C cable


RAID Modes

  • 0/1/5/6/10/50
  • Redesigned LaCie RAID Manager for easy hardware RAID selection and management



  • Kensington® lock compatible
  • LaCie Private-Public for AES 256-bit software encryptionâ–²



  • 4 or 2 × redundant fans
  • Heat-dissipating all-aluminum enclosure


Additional Features

  • Front-facing status LEDs for disk, power, and alarm events
  • System monitoring, audible alarm, and email alerts for failure and warning events via LaCie RAID manager


Power Supply

  • 6big: 100-240V; 50/60Hz; 250W


Dimensions (W × H × D)

  • 6big: 161 × 225 × 237 mm | 6.3 × 8.9 × 9.3 in.



  • 6big:
  • 24TB: 9.3 kg | 20.5 lbs
  • 36TB: 9.9 kg | 21.8 lbs
  • 48TB: 9.9 kg | 21.8 lbs
  • 60TB: 9.9 kg | 21.8 lbs


Minimum System Requirements

  • Computer with a USB-C (Thunderbolt 3 or USB 3.1) or USB Type-A port
  • Latest version of Mac OS® X 10.10 and later / Latest version of Windows® 8 and later Minimum free disk space: 600MB recommended
  • Note: Your PC may need updates for the Thunderbolt 3 ports to function properly. See here for more information.



  • Intego® Backup Manager Pro
  • Genie® Backup Manager Pro
  • LaCie Private-Public
  • LaCie RAID Manager



  • * Hot swapping will result in data loss in a RAID 0 array.
  • ** USB limitations: a single volume mounts on the host, and speeds are limited to approximately 400MB/s.
  • *** Actual data rates may vary depending on operating environment and other factors, such as RAID mode, RAID configuration, and disk capacity.
  • â–² Encryption software is only available via download and is not available in Russia.
  • LaCie 6big Thunderbolt 3
  • Power cable
  • USB-C (Thunderbolt 40Gb/s or USB 3.1 10Gb/s) cable
  • USB-C to USB-A cable
  • Hard disks Quick Install Guide