Lenovo ThinkPad Universal USB-C Smart Dock (ThinkSmart Edition) - 40BN0135US
This is what matters about Lenovo ThinkPad Universal USB-C Smart Dock (ThinkSmart Edition) - 40BN0135US.
About
A Lenovo B2B management dock built around Microsoft Azure Sphere IoT for remote fleet monitoring — single 4K@60Hz, but dual 4K drops to 30Hz, with 60W of passthrough from a 135W supply.
- Power Delivery in
- 135W
- PD passthrough to host
- 60W
- Max resolution
- 3840x2160@60Hz
- Requires DisplayLink driver
- No
Ports: 3× USB-A 3.2 Gen2, 1× USB-C 3.2 Gen2, 2× USB-A 2.0, 1× HDMI, 1× DisplayPort, 1× Ethernet (Gigabit) and 1× Audio combo
Confirmed with
- Notebook (generic)
Its main differentiator is B2B network security/management (Azure Sphere IoT telemetry), not video performance. Driving a single external 4K display holds 60Hz; extending to two 4K displays at once forces the refresh rate down to 30Hz.