Apple were adamant that this was a LaCie issue. The lack of problems since installing the Pegasus array seems to confirm that. Also the post below suggests that the LaCie issue is in the driver. LaCie Head Office told me (eventually) that they were unable to reproduce the problem over hundreds of sleep cycles.
LaCie 2TB Rugged Thunderbolt + USB-C Portable Hard Drive - Next Gallery Image; LaCie 2TB Rugged Thunderbolt + USB-C Portable Hard Drive. £169.95 All Colors. Apple Store Open Menu Close Menu. Find a Store Shop Online Genius Bar Today at Apple Youth Programmes Apple Store App Refurbished and Clearance Financing. Introducing the LaCie 12big and 6big Thunderbolt 3, 12- and 6-bay RAID storage for 4K to 8K video workflows. Featuring up to 120TB of enterprise-class capacity on your desktop, up to 2600MB/s speeds, RAID 5/6, and a 5-year limited warranty. All in the same footprint as an iPad Air ®. Free-up your laptop or computer storage with a LaCie external hard drive from Simply mac. LaCie hard drives are portable and hold all the space you will need.
Mobile Drive
- Offers up to 5TB of massive on-the-go space
- Reversible USB-C cable for ultra-fast transfers with USB 3.1 Gen2 or Thunderbolt™ 3 computers.
- USB 3.0 to USB-C cable for legacy laptops.
- Available in Moon Silver or Spay Grey
Rugged SSD Pro
- Sprint ahead with Thunderbolt 3 SSD speeds of up to 2800MB/s
- Use it seamlessly with USB 3.1 Gen 2 devices
- Trek anywhere with 3-meter drop and two-ton car crush resistance
Rugged SSD
- Transfer and edit RAW 4K video with speeds of up to 950MB/s
- USB Type-C interface is universally compatible
- Enjoy extreme ruggedness with an IP67 waterproof rating
![Lacie Lacie](https://i2.wp.com/www.itechnews.net/wp-content/uploads/2009/09/Apple-iPod-Shuffle-3G-green.jpg?resize=449%2C482)
Rugged SECURE
- Armor for Your Data
- Always Tough. Protect Your Data.
- AES-256 hardware encryption
Rugged RAID Shuttle
- Get 8TB of massive capacity in an easy-to-pack flat Rugged® design
- Drop, rain, crush, and dust resistant
- Raid 0 for more speed/space. RAID 1 for redundancy
Rugged RAID Pro
- Hardware RAID 0/1 flexibility for speed or redundancy
- New USB-C connector for next-generation computers
- Shock, dust, and water resistance for all-terrain use
Rugged Thunderbolt USB-C
- Thunderbolt speeds of up to 387 MB/s
- USB 3.0 for universal connectivity
- Bus powered for complete mobility
- Shock, dust, and water resistant for all-terrain use
Rugged Boss SSD
- Transfer files fast with speeds of up to 400MB/s
- Copy files directly via built-in SD card reader and USB port
- View and manage files on iOS and Android devices using the LaCie BOSS app
Rugged USB-C
- Reliable. Fast. Versatile.
- Future Proof. Always Tough.
- Armor for Your Data
- Drop-, crush-, and rain-resistant for all-terrain use
Rugged Mini
- Maximum Reliability
- The Speed of USB 3.0
- LaCie Private-Public
- User-friendly Software Suite Included
d2 Thunderbolt 3
- More Compatibility, Space, and Reliability. Less of Nothing
- Power and Versatility
- Fierce BarraCuda Pro Dependability
- Solid Components. Solid Investment.
d2 Professional
- Sure Performance. Certain Reliability.
- USB 3.1 (USB-C 5Gb/s) cable
- USB 3.0 (USB-C to USB-A)
- Thunderbolt 3
2big RAID
- Up to 28TB of desktop RAID storage
- Transfer speeds of up to 440MB/s
- 7200-RPM/64MB cache (or greater) IronWolf® Pro enterprise-class hard drives
- Innovative design with 2-bay RAID for reliability
2big Dock Thunderbolt 3
- DisplayPort: Connect to high-resolution 720p to 1080p or 4K displays
- Transfer speeds of up to 490MB/s
- RAID for Speed or Security
- Innovative Design, Breakthrough Usability
5big Thunderbolt 2
- Up to 1050MB/s speeds for 4K video editing
- Hardware RAID 5/6 with hot swap
- Dual Thunderbolt 2 ports for daisy chaining
- Aluminum enclosure and whisper-quiet fan
- Usability & Reliability for Professionals
6big Thunderbolt 3
- Up to 96TB of capacity on your desktop, up to 1400MB/s speeds, and RAID 5/6
- For your smartest workspace.
- Tough. Ready. Scalable.
12big Thunderbolt 3
- Compatible with Thunderbolt & Thunderbolt 2
- For lightning-fast video workflows.
- Get up to 168TB on your desktop—in the same footprint as an iPad Air®.
DJI Copilot - 2TB
- Laptop Free. Carefree.
- 3-year Rescue Data Recovery Services plan
- 2000GB (2TB) stores over 60 hours of 4K video.
- Drop resistant, splash resistant, dust resistant
Mobile SSD
- Transfer an hour of video or thousands of high-res images in less than a minute.
- Edit from the drive with zero lag
- All-aluminum design is lightweight yet solid.
Portable SSD
- Edit straight from your external drive with speeds of up to 540MB/s
- Edit multiple streams of 4K video
- Collaborate on the spot by moving files fast between your drive and multiple computers
Professional SSD
- Get a Boost on the Go
- Level Up Your 4K Video Project
- Harness 6K Video and Beyond
- Back up and Preview on Set—Laptop Free
This article refers to Thunderbolt 1 and Thunderbolt 2. You can learn more about Thunderbolt 3 and the Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter for MacBook Pro (2016 and later) and iMac (2017).
Thunderbolt adapters are supported on the following Mac computers:
- MacBook Pro (2011 through 2015)
- MacBook Air (Mid 2011 and later)
- Mac mini (Mid 2011 and later)
- iMac (Mid 2011 through 2015)
- Mac Pro (Late 2013)
Lacie 2big Thunderbolt 2 User Manual
Use these guides to identify your Mac computer:
Apple Thunderbolt cable (0.5 m)
Part Number MD862ZM/A
Part Number MD862ZM/A
Apple Thunderbolt cable (0.5 m)
Part Number MF640ZM/A
Part Number MF640ZM/A
Apple Thunderbolt cable (2 m)
Part Number MC913ZM/A
Part Number MC913ZM/A
Lacie 2big Thunderbolt
Apple Thunderbolt cable (2 m)
Part Number MF639ZM/A
Part Number MF639ZM/A
Apple Store Lacie Thunderbolt 2tb
Thunderbolt to Gigabit Ethernet Adapter
Part Number MD463ZM/A
Part Number MD463ZM/A
Thunderbolt to FireWire Adapter
Part Number MD464ZM/A
Part Number MD464ZM/A
Learn more
For best performance, make sure that you've installed all available macOS software and firmware updates. You can check by choosing App Store from the Apple () menu, then clicking Updates. Video file editing software.
Get more information on Thunderbolt and Apple Thunderbolt cables and adapters: