(DS3900PD) Diamond Triple Display 4K Universal Type-C Docking Station with Power Delivery (65W) for Windows/Mac/Chromebook USB C Laptops (Copy)


DS3900PD Universal 4K Docking Station with Power Delivery

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Stay Connected at Home with the Triple Display 4K Universal Type-C Docking Station

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With today’s technology comes portability. Laptops, tablets, and Ultrabooks are awesome tools for busy people on-the-go. However, wouldn’t it be great if these devices had a full array of connectivity capability? The Diamond Triple Display 4K Universal Type-C Docking Station with power delivery can offer this connectivity and is a great solution.

This Universal connection docking station provides all the connections you need to take your device back and forth to your home or office. Connections include: 4 USB 3.0 Ports, 2 USB Type-C Ports, 1 Type-C upstream port for USB 3.1/Thunderbolt2 or USB 3.0 Type-A upstream. Also includes a USB Type-A to Type-C converter. In addition,  DVI, HDMI, HDMI 4K, RJ-45 Gigabit Ethernet port and a 3.5mm speaker line out/mic input are also featured.

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Docking Station with 4K Capability

With this new powerful docking station, you can have an additional 3 displays which includes a 4K HDMI monitor. Thus, giving you maximum flexibility at maximum resolutions. Expand your desktop projects by utilizing more monitors and seamlessly go from screen to screen. As a result, making your work far easier to complete in a timely fashion. Furthermore, a docking station makes it easy and convenient to take your device between work and home. With one simple USB connection- to your computer, you can have access to 3 large displays.

Universal USB Connectivity

The Ultra-Dock DS3900PD comes equipped with a USB Type-C port. It can be used to connect a USB Type-C laptop or PC and is backwards compatible with USB Type-A. This is a great feature because modern laptops are becoming thinner and USB-C becoming more commonplace. A compatible cable is even included to connect to a Type -A port if needed. In addition, the Power Delivery that is compatible with USB Type-C equipped laptops and PCs, allows you to charge and work at the same time. However, power delivery is only offered through USB- C.

– Compatible with USB 3.1 Type-C, USB 3.0/2.0 Standard A and Thunderbolt 3 laptops.

– 100W Power Adapter, supports 65W upstream charging and up to 40W for all downstream devices.

– 4K HDMI @30Hz port (MST), HDMI and DVI 2K port (DisplayLink).

– Extended and Mirror desktop modes support.

– 5.1 Channel Surround Sound.

– 4-Pole Combo Headphone/Mic jack.


  • Product weight 0.75 lbs.
  • Package weight 3.25 lbs.
  • Product Dimensions 8.7 x 3.2 x 1.5 inches (H x L x W)
  • Package Dimensions 3.8x 9.8 x 8.8 inches (H x L x W)
  • Connectors HDMI x 1 (2K)
    • HDMI x 1 (4K) 30Hz
    • DVI x 1 (2K)
    • RJ-45 Gigabyte Ethernet Port
    • USB 3.0 Ports x 4
    • USB 3.1 Type C Downstream x 2
    • USB 3.1 Type C Upstream x 1
    • DC Power Jack
    • 3.5mm Lineout/Mic input
  • Chipset DisplayLink DL-3900
  • Power Supply DC20V/5A 100W Rating 100-240VAC 50/60Hz
  • Operating Temperature 0 to 40C
  • Number of Displays Supported 3 (Note: 4K HDMI port only supported on USB Type C 3.1 with Alt Mode. Early Macbook 2015 Type C does not support 4K HDMI Port. All other functions are fully supported


System Requirements

  • Compatible with Microsoft ® Windows ® 10, 8.1, 8, 7 and MAC OS 10.6 (Mac OS 10.13.4, 10.13.5, 10.13.6 NOT Supported)
  • Processor: 1.2 GHz or faster with SSE2 support. Note: 4K HDMI output may not be supported on some of the early Macbook ® 2015. All other functions are supported
  • One USB 3.1, Thunderbolt 3 Type C or USB 3.0/2.0 Type A port
  • Power Delivery only support on USB Type C systems
  • 30 megabytes (MB) of free disk space
  • 4GB System Memory
  • Available CD-ROM or DVD-ROM Drive optional internet accessible driver download


Prop 65 Warning

Frequently Asked Questions


– Does the UDC3000 provide charging (Power Delivery) to my Laptop/Notebook PC?


– Yes, the UDC3000 will provide up to 65W of power via USB Type C or Thunderbolt 3 port

Diamond Customer Support:

The technical team at Diamond Multimedia is committed to helping you. Our U.S. based support is always there to answer any and all of your questions on how to set up and use our products. Let us help find solutions on how Diamond products can be compatible with your devices.

Support & Downloads

 Title Version


Download Driver

Product Setup Sheet

User Manual



If you are having problems with your Docking station Remove the Power Cable and USB cable

Use the Driver removal tool below to clean out the drivers and then do a clean installation

DisplayLink Installation Cleaner Utility


Product Sheet PDF

Download the latest UDC3000 Line sheet below:

DS3900PD_Docking Station Line sheet

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