Description
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Connect to up to two external displays with HDMI and DisplayPort™ ports.
High-speed networking and collaboration
Access your corporate network with an RJ-45 port. Enjoy seamless web conferencing with a combo headphone and microphone input that supports a headset and microphone capabilities on the connected notebook (if available).
Easy setup
Simply connect the included USB 3.0 cable to your notebook’s USB port, or use the included USB-C™ adapter to attach to your notebook’s USB-C™ port. The onboard memory starts the software installation without rebooting your device
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. 
Dell Express Charge allows you to charge up to 80% in one hour
The ThinkPad Ultra Docking Station provides the best docking experience for large enterprise ThinkPad customers. 