Free standard shipping on all orders over $100 Shop now
Resource Center Blog Open Source Partners
Search
Products
Knowledge Base
Support Downloads
Articles
suggested searches
Products Solutions Innovation Support About Store
0 Cart
0 Cart

Your shopping cart is empty

We're sorry, your session has expired. Please re-add any items you had in your cart to continue.

Open
Seagate Store Shop All Products What’s New Best Sellers Shop the Deals
By Type External Hard Drives Internal Hard Drives External SSDs Internal SSDs Enterprise Hard Drives & SSDs Data Storage Systems Enterprise Storage Services
By Category Personal Storage Devices Gaming Storage Devices Creative Professional Network Attached Storage (NAS) Video Analytics Cloud, Edge, & Data Center
By Brand LaCie
Stay in the loop.
Two individuals on couch playing video games together.
Sign Up for Email and Text Alerts

From hot storage deals and brand-new tech to insider news, we’ll keep you in the know!
By Use Case Backup & Recovery Big Data Analytics (AI/ML) Cloud Backup Data Migration Data Transfer High Performance Computing (HPC) Storage as a Service Video Analytics
By Environment Edge Multicloud Private Cloud Public Cloud
By Partner IBM AWS Commvault Veeam VMWare Milestone Equinix EVS NI View All Seagate Technology Partners
By Industry Autonomous Vehicles Healthcare Media & Entertainment Surveillance & Security Telecommunications Geosciences & Energy
lyve-infrequent-access-nav-banner
Learn more

Perspectives Storage for the AI Era Why Areal Density Matters Composable Infrastructure Decarbonizing Data Report
Data Storage Innovations Mozaic 3+ Platform MACH.2 Multi-Actuator Hard Drives Seagate Secure
Data Management Innovations Circularity Program Open-Source Developer Community
Factory AI Innovations Smart Manufacturing AI Enhanced Automated Vision System Autonomous Monitoring Augmented Code Development Singapore Dream Factory
decarb-data-report-nav-banner
Read the report

General Support Home Product Support Seagate Software Downloads LaCie Software Downloads Seagate Product Registration LaCie Product Registration Seagate Store Support
Warranty & Data Recovery Warranty & Replacements Data Recovery Services Report Fraudulent Products
Enterprise Seagate Systems Support Lyve Mobile Support Lyve Cloud Support
Read the Article
Read the article

Our Story Leadership Team Board of Directors ESG Trust Center Product Security Quality Assurance
Join our Seagate Team Life at Seagate Seagate Culture Employee Resource Groups University Programs
Investors
Press Center News Media Kits Seagate Brand Portal LaCie Brand Portal
Mozaic 3+

Product Support

2big Dock Thunderbolt™ 3

2big Dock Thunderbolt™ 3
Getting StartedKnowledge BaseDownloadsSpecs
Get Support Now

Getting Started

Quick Start

Documentation

Knowledge Base

Downloads

2big Dock Thunderbolt™ 3 System Updater for Mac

Version: 1.0.0.360

Download

2big Dock Thunderbolt™ 3 System Updater for Windows

Version: 1.0.0.360

Download

LaCie Windows Thunderbolt Driver

When using Thunderbolt 3, the 2big Dock Thunderbolt 3 may not be detected in Windows 10 without this driver. For additional information, see here.

Download
alt

Genie® Backup Manager Pro

Learn More
alt

LaCie RAID Manager

Learn More
alt

Intego Backup Manager Pro

Learn More

Firmware Downloads

Enter your serial number to find firmware downloads for your drive.

Need help finding serial number?
Search for Firmware

Was this content helpful?

Specs

  • 2big Dock Thunderbolt™ 3 12TB
    STGB12000400
    5-year limited warranty
    • 12TB
    • HDD (enterprise class)
    • 2 × Thunderbolt 3<br/> 1 × USB 3.1<br/> 1 × DisplayPort<br/> 1 × USB 3.0 (type A)<br/> 1 × SD card<br/> 1 × CF card
    • 440MB/s*
    Data Sheet User Manual
Model
Capacity
Storage Type
Interface
Max. Speeds
Model
2big Dock Thunderbolt™ 3 12TB
STGB12000400
5-year limited warranty
Data Sheet User Manual
Capacity
12TB
Storage Type
HDD (enterprise class)
Interface
2 × Thunderbolt 3
1 × USB 3.1
1 × DisplayPort
1 × USB 3.0 (type A)
1 × SD card
1 × CF card
Max. Speeds
440MB/s*

DECARBONIZING DATA REPORT

Data center sustainability in the AI era
Seagate Store  Shop the Deals   Best Sellers  What's New  Store FAQs  Store Return Policy  Store Support  Where to Buy 
About Seagate Our Story  ESG  Trust Center  Quality Assurance 
Support  Product Support  Seagate Software Downloads  LaCie Software Downloads  Seagate Product Registration  LaCie Product Registration  Warranty & Replacements  Seagate Systems  Contact Us 
Press Center  News  Media Kits  Brand Portal  LaCie Brand Portal 
Investors 
Partners  Indirect Partners & Resellers  Seagate Training Portal  Seagate Direct & Suppliers  Seagate Technology Alliance Program 
Jobs  Life at Seagate  Seagate Culture  University Programs 
facebook logo linkedin logo youtube logo x logo instagram logo
©2025 Seagate Technology LLC Legal Privacy Vulnerability Disclosure Cookie Settings
Site Map