LaCie 20TB HDD USB Type-A USB Type-C 1big Dock

The LaCie 1big Dock 20TB is an external 3.5" hard drive and Thunderbolt dock that simplifies connection and storage for laptops and workstations. In a single unit it combines a high-capacity 20 TB Seagate IronWolf Pro HDD (7,200 RPM) with card readers, multiple host ports and power pass-through to charge a connected laptop or tablet while transferring large files at high sustained speeds.

Advantages

This 1big Dock model integrates a Seagate IronWolf Pro enterprise-class HDD designed for heavy workloads (up to 300 TB/year), 24×7 reliability and a five-year warranty. The dock delivers broad compatibility with Thunderbolt 4/Thunderbolt 3, USB4 and USB 3.x hosts, offers SD and CF card ingestion, supports external monitor connection, and provides a single-cable workflow that powers and links your laptop or iPad while offloading footage and charging devices.

Suitable for

• Photographers and videographers who need direct SD/CF card ingest and large-capacity archiving
• Editors and DITs working with high-bitrate footage who require sustained 7200 RPM HDD performance
• Users who want a single-cable dock to connect monitors, peripherals and charge a laptop or iPad

Key specifications

• Capacity: 20 TB (20,000 GB)
• HDD form factor: 3.5"
• Drive speed: 7,200 RPM
• Interface compatibility: Thunderbolt 4/3, USB4, USB 3.2 Gen 1 (USB Type-A and USB Type-C)
• Typical transfer performance: up to ~280 MB/s read, ~240 MB/s write (typical for this HDD class)
• Weight: 1.7 kg
• Colour: Black
• Manufacturer model: STHS20000800; EAN: 8719706043212

How to use

Connect the 1big Dock to your laptop or iPad using the included Thunderbolt/USB-C cable to enable single-cable data transfer and power pass-through. Insert SD or CF cards into the front card slots to ingest footage directly to the drive. Use the available USB Type-A and Type-C ports to attach peripherals or charge devices. If desired, link an external 4K monitor to the dock and daisy-chain additional Thunderbolt drives for expanded storage.

Recommendations

For best results, use the 1big Dock with devices supporting Thunderbolt 3/4 or USB4 to achieve the most reliable throughput. Schedule regular backups with LaCie Toolkit, and consider Rescue Data Recovery Services for added protection against accidental damage or data loss.