Uploaded December 2024 | Updated September 2026, 2 weeks ago
The Lenovo ThinkPad Thunderbolt 3 Dock 40AC model DBB9003L1 is a versatile docking solution designed for the ThinkPad T14 Gen 1, T14s Gen 1 and other ThinkPad laptops with Thunderbolt 3. It expands connectivity and productivity with a robust set of ports and features, ideal for professionals managing demanding workflows. The dock connects via Thunderbolt 3, ensuring high-speed data transfer and reliable performance. It supports multiple video outputs, including two DisplayPort ports, HDMI, and VGA. Note that the second DisplayPort and HDMI cannot be used simultaneously. For peripherals, it provides five USB 3.0 ports (including one powered for device charging) and a USB-C port with Thunderbolt 3 downstream capability (5V, 3A). Networking is seamless with the integrated Gigabit Ethernet, while a Kensington lock slot adds a layer of security.
Although it works with MS Windows, an open source enthusiast I use it with Ubuntu 24.04 LTS. This way the dock delivers smooth operation and it is full compatible, enabling multi-monitor setups using the GNOME desktop environment on Ubuntu, rapid data transfer, and reliable peripheral connections. This makes it an excellent choice for professionals, especially if using Linux, offering a streamlined, efficient workspace in a compact design.
🔗 Useful Links
===
ThinkPad Thunderbolt 3 Dock - Overview and Service Parts
support.lenovo.com/us/en/accessories/acc100356-thinkpad-thunderbolt-3-dock-overview-and-service-parts
Datasheet: images-na.ssl-images-amazon.com/images/I/A1gRy9I9bbL.pdf
anavi.org/article/289
📚 Chapters
===
0:00 Intro
0:28 Tech Specs
2:05 Wiring
5:55 Conclusions
The Lenovo ThinkPad Thunderbolt 3 Dock 40AC model DBB9003L1 is a versatile docking solution designed for the ThinkPad T14 Gen 1, T14s Gen 1 and other ThinkPad laptops with Thunderbolt 3. It expands connectivity and productivity with a robust set of ports and features, ideal for professionals managing demanding workflows. The dock connects via Thunderbolt 3, ensuring high-speed data transfer and reliable performance. It supports multiple video outputs, including two DisplayPort ports, HDMI, and VGA. Note that the second DisplayPort and HDMI cannot be used simultaneously. For peripherals, it provides five USB 3.0 ports (including one powered for device charging) and a USB-C port with Thunderbolt 3 downstream capability (5V, 3A). Networking is seamless with the integrated Gigabit Ethernet, while a Kensington lock slot adds a layer of security.
Although it works with MS Windows, an open source enthusiast I use it with Ubuntu 24.04 LTS. This way the dock delivers smooth operation and it is full compatible, enabling multi-monitor setups using the GNOME desktop environment on Ubuntu, rapid data transfer, and reliable peripheral connections. This makes it an excellent choice for professionals, especially if using Linux, offering a streamlined, efficient workspace in a compact design.
🔗 Useful Links
===
ThinkPad Thunderbolt 3 Dock - Overview and Service Parts
support.lenovo.com/us/en/accessories/acc100356-thinkpad-thunderbolt-3-dock-overview-and-service-parts
Datasheet: images-na.ssl-images-amazon.com/images/I/A1gRy9I9bbL.pdf
anavi.org/article/289
📚 Chapters
===
0:00 Intro
0:28 Tech Specs
2:05 Wiring
5:55 Conclusions
