Description
xpansion for all the ways you work
Connect to your accessories with one USB 3.0 charging port, three USB 2.0 ports, and one USB-C™ charging/data port. Drive Dual 4K displays or one 5K display[2] from two DisplayPort™ ports. Use RJ-45 for Gigabit Ethernet and network manageability.[3]
Enterprise-class network manageability
Support network manageability[3] of your device and the dock with PXE boot support, Wake-on LAN, MAC Address Pass-Through, and LAN/WLAN switching.[4]
Universal compatibility
Use one dock for all of your devices with support for multi-generation HP notebooks and tablets. Connect to the dock through the included USB-C™ cable or the included USB-C™ to USB-A adapter.
Give your platform a power boost
Avoid downtime with up to 60W of power to charge and power your connected notebook or tablet through the powered USB-C™ port, or select notebooks through the optional HP 4.5mm and USB Dock Adapter.[1]
The world’s smallest 14″ premium business-class notebook features ExpressConnect, so you can automatically connect to the fastest Wi-Fi signal. 
Delivering sharp, high-quality A3 output with the speed, versatility and footprint of an A4 device, the B840 offers low running costs and low total cost of ownership, bringing versatile A3 mono printing to small and medium workgroups. 
