Lenovo ThinkPad USB‑C Universal Dock with 135W Power Adapter (40AY0135US)
By Brian Long
Introducing the Lenovo ThinkPad USB‑C Universal Dock (40AY0135US): a smart, one‑cable docking solution that transforms your laptop into a full‑fledged workstation. It delivers up to 100 W of power (via USB PD 3.0), supports up to three external displays (1 × HDMI, 2 × DisplayPort), offers Gigabit Ethernet and multiple USB‑A/USB‑C ports—and even auto‑installs firmware updates silently for consistent performance and compatibility.
Ideal for hybrid work environments and mixed-brand fleets, the dock supports PXE‑boot, Wake‑on‑LAN, MAC‑address pass‑through and mirrors your laptop’s power button.
Features
- Universal USB‑C/Thunderbolt compatibility (supports Windows 10+ and Alt‑Mode/Thunderbolt‑capable devices)
- Dynamic power delivery up to 100 W to laptops (PD 3.0 standard)
- Triple display support: HDMI + 2 × DisplayPort (up to 4 K @60 Hz)
- Gigabit Ethernet, multiple USB‑A (USB 3.2 + USB 2.0), always‑on USB port (5 V/2.4 A)
- Automated silent firmware updates via Lenovo Dock Manager
- Enterprise IT support: PXE‑boot, WOL, MAC‑pass‑through
- Power‑button mirroring and security‑lock slot for physical anchoring.
Specifications
| Specification | Details |
|---|---|
| Model | ThinkPad Universal USB‑C Dock (Type 40AY) |
| Power adapter | 135 W included (supports up to 100 W PD) |
| Dimensions (L × W × H) | approx. 171 × 80 × 30 mm |
| Weight | ~388 g (dock only); ~955 g packaged |
| Video outputs | 1 × HDMI, 2 × DisplayPort |
| USB ports | 2 × USB 3.2 Gen 2, 2 × USB 2.0, 1 × USB‑C, 1 × Always‑On USB 3.2 Gen 2 |
| Ethernet | RJ‑45 Gigabit LAN |
| Security | Kensington‑style lock slot |
| Special features | PXE‑boot, WOL, MAC pass‑through, firmware auto‑update |