Dock compatibility profile
Lenovo ThinkPad Universal USB-C Dock (40AY) compatibility
Source-backed host, display and charging information for the Lenovo ThinkPad Universal USB-C Dock (40AY), plus laptops in our database that are worth comparing.
Guide only: Check the exact dock revision and laptop with the manufacturer before making a purchase decision.
Host supportUSB-C DisplayPort Alt Mode
Power Delivery65W
Windows displays3
macOS displays1
What this dock is designed to do
The current record accepts Thunderbolt 5, Thunderbolt 4, USB4, USB-C DisplayPort Alt Mode. Display and charging behaviour can change depending on the host laptop, operating system and whether the connection is running in a full Thunderbolt/USB4 mode or a reduced USB-C fallback mode.
Important dock note: Lenovo lists up to three external monitors; macOS supports one extended external monitor while additional monitors may clone. Higher 100W host power requires the optional 135W adapter.
Encoded Windows display profiles
| Displays | Resolution | Refresh |
|---|---|---|
| 1 | 4K | 60Hz |
| 2 | 4K | 60Hz |
| 3 | 4K | 30Hz |
Encoded macOS display profiles
| Displays | Resolution | Refresh |
|---|---|---|
| 1 | 4K | 60Hz |
Laptops to compare with this dock
Manufacturer pair matrices take priority where available. Other entries mean the published standards overlap and still require exact verification.
| Laptop | Status | Evidence |
|---|---|---|
| ASUS Vivobook S 14 OLED S5406 | Standards match — verify | Published device specifications |
| ASUS Zenbook 14 OLED UX3405 | Standards match — verify | Published device specifications |
| ASUS Zenbook S 14 UX5406 | Standards match — verify | Published device specifications |
| Apple MacBook Air 13-inch (M3, 2024) | Standards match — verify | Published device specifications |
| Apple MacBook Air 13-inch (M4, 2025) | Standards match — verify | Published device specifications |
| Apple MacBook Air 13-inch (M5, 2026) | Standards match — verify | Published device specifications |
| Apple MacBook Air 15-inch (M3, 2024) | Standards match — verify | Published device specifications |
| Apple MacBook Air 15-inch (M4, 2025) | Standards match — verify | Published device specifications |
| Apple MacBook Air 15-inch (M5, 2026) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 14-inch (M4 Max, 2024) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 14-inch (M4 Pro, 2024) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 14-inch (M4, 2024) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 14-inch (M5 Max, 2026) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 14-inch (M5 Pro, 2026) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 14-inch (M5, 2025) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 16-inch (M4 Max, 2024) | Standards match — verify | Published device specifications |
| Apple MacBook Pro 16-inch (M4 Pro, 2024) | Standards match — verify | Published device specifications |
| Dell Latitude 5450 | Standards match — verify | Published device specifications |
Before buying this dock
- Confirm the laptop exposes the required host standard and display bandwidth.
- Confirm the monitor count, resolution and refresh rate you actually intend to use.
- Compare the dock's Power Delivery with the laptop's charging requirement.
- Check whether DisplayLink software, DSC, MST or a particular operating system is required.