description ThinkPad Ultra Docking Station (Type 40AJ) Overview
The ThinkPad Ultra Docking Station (Type 40AJ) is a docking solution designed for Lenovo ThinkPad T480 laptops. It provides extensive connectivity including DisplayPort, HDMI, USB-A and USB-C ports, alongside Ethernet. This dock enables users to seamlessly transform their laptop into a fully functional desktop workstation, enhancing productivity for professionals and business users requiring multiple displays and peripherals.
help ThinkPad Ultra Docking Station (Type 40AJ) FAQ
Which ThinkPad laptops use the Type 40AJ Ultra Docking Station?
The ThinkPad Ultra Docking Station Type 40AJ is associated with side-docking ThinkPads from the USB-C era, including models such as the ThinkPad T480. Compatibility is model-specific, so it is not a universal USB-C dock for every laptop.
What ports are on the ThinkPad Ultra Dock 40AJ?
The 40AJ dock provides a mix of display outputs, USB ports, Ethernet, and power delivery through Lenovo's mechanical side-dock connector. Common listings mention DisplayPort, HDMI, VGA on some variants or regions, USB-A, USB-C, and RJ-45 Ethernet.
Can the 40AJ dock run multiple monitors from a ThinkPad T480?
Yes, multi-monitor support is a main reason people buy the Ultra Dock for a T480 setup. Actual resolution and refresh limits depend on the ThinkPad GPU, dock firmware, cables, and whether you use DisplayPort or HDMI.
Why choose the 40AJ dock instead of a generic USB-C hub?
The 40AJ gives a cleaner desktop setup for compatible ThinkPads because the laptop locks into the side dock and uses one integrated connection. A generic USB-C hub is more portable, but it usually lacks the same mechanical docking feel.
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