Lenovo 5D21J12380 USB-C Universal Business Dock

Lenovo 5D21J12380 USB-C Universal Business Dock

Overview

The Lenovo 5D21J12380 is a high-performance Universal Business Dock designed for enterprise environments requiring a standardized docking solution across mixed PC fleets. It serves as the Service Part Number (FRU) for the 40B3 series docks, engineered to streamline workspace connectivity via a single USB-C cable. This dock is a critical asset for IT procurement teams, as it supports essential enterprise management features including PXE boot, Wake-on-LAN (WOL), and MAC address pass-through for secured network environments.

The unit provides significant video flexibility, supporting dual 4K external displays at 60Hz. This capability solves the desk-clutter problem while providing enough bandwidth for high-resolution creative work or data-intensive multi-monitor setups. With a 90W power input, the dock delivers up to 65W of Power Delivery (PD) to the host laptop, and when paired with a 135W adapter, it can scale to 96W PD to support more power-hungry professional notebooks.

Engineers deploy the 5D21J12380 in hot-desking offices and remote workstations where “plug-and-play” reliability is required for Windows 10 and Windows 11 systems. While highly versatile, this dock should not be used with legacy systems lacking USB-C Alt-mode support or in specialized environments requiring Thunderbolt 4 bandwidth for high-speed external storage arrays.

Key Features

• Dual 4K Support: Drives two external monitors at 3840 x 2160 @ 60Hz.

• 65W Power Delivery: Charges host laptops via a single cable (90W input).

• Enterprise Ready: Supports PXE boot and MAC address pass-through.

• High-Speed I/O: Five USB ports (Gen 2) for low-latency peripheral data.

• Universal Compatibility: Standardized for most modern USB-C Windows PCs.