Seagate LaCie 20TB 2big Dock 2-Bay Thunderbolt 3 RAID Array (Black)

The Seagate STLG20000400 is a two-bay RAID array that gives you 20TB of ready-to-use desktop storage built around the trusted LaCie 2big Dock design. It arrives with two 10TB Seagate IronWolf Pro 7200 rpm hard drives already installed and set to hardware-controlled RAID 0, so large projects move quickly right out of the box. If data protection is a higher priority, you can switch to RAID 1 for mirrored redundancy or choose JBOD when you want each drive to appear on its own.

Two Thunderbolt 3 ports deliver transfer speeds up to 550 MB/s and allow you to daisy-chain up to five additional devices, which keeps your workspace less cluttered and your workflow more streamlined. A separate USB-C host computer can also connect through the same Thunderbolt cable, making the array flexible in mixed Mac and Windows environments.

The front panel acts as a miniature ingest station. A USB-A 3.2 Gen 2 port handles flash drives and external SSDs, while slots for CFexpress Type B, CFast 2.0, and SD UHS-II cards let you offload footage from cameras and drones without reaching for extra adapters. Creative professionals who shoot on multiple formats—whether it is 6K cinema footage, high-resolution photography, or drone clips—can drop cards in, transfer, and get back to shooting or editing.

A rear DisplayPort connection sends video to a monitor up to 8K resolution, letting you run storage, power, and display through a single Thunderbolt cable. This simplifies setups in editing suites, color-grading bays, and on-set DIT carts where desk real estate and cable management both matter.

LaCie RAID Manager software provides a clear dashboard for monitoring drive health, configuring RAID modes, and scheduling automatic alerts. The system is backed by a five-year warranty that includes Rescue Data Recovery Services, so your media has an extra layer of safety throughout the product’s service life.

Whether you are a videographer cutting multi-camera shoots, a photographer managing massive raw archives, or a studio that needs a fast shared scratch disk, the Seagate STLG20000400 offers the capacity, speed, and connectivity to keep professional workflows moving.

Highlights:

• 20TB total capacity with two 10TB Seagate IronWolf Pro 7200 rpm drives
• Hardware RAID 0 preconfigured; supports RAID 1 and JBOD through LaCie RAID Manager
• Up to 550 MB/s transfer speeds via dual Thunderbolt 3 ports, with daisy-chain support for five additional devices
• Front panel USB-A 3.2 Gen 2, CFexpress Type B, CFast 2.0, and SD UHS-II slots for direct media ingest
• DisplayPort output drives a 4K or 8K monitor through the dock
• Includes five-year warranty with Rescue Data Recovery Services