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Enterprise-Grade 12-in-1 Expansion for Hybrid Teams

Designed for compatibility with USB-C; USB4; or Thunderbolt laptops on Windows; macOS; or ChromeOS environments. Enables up to 3 HDMI monitors; wired Gigabit Ethernet network access; 6x USB 3.0 peripherals; audio; and device charging. Perfect for organizations looking to streamline IT deployments in hot-desking and managed office workspaces that demand reliable networking and easy device connectivity.

Triple Display USB-C Docking Station

Maximize productivity with support for up to three extended HDMI displays (1 4K 30Hz via Alt Mode; 2 1080p 60Hz via DisplayLink). Bypasses native single-display limitations on platforms like Apple M1/M2/M3 MacBooks. Compatible with all newer Apple Silicon systems; including M4 and M5. Optimized for enterprise use cases such as data analysis; presentations; and conferencing; it transforms any notebook into a multi-monitor workstation for your hybrid workforce.

Advanced USB-C Functionality

Integrated DisplayLink graphics technology and native USB-C video output (Alt Mode) are essential for maximizing workstation productivity; delivering full; native; high-performance multi-display support; while 100W USB-C Power Delivery ensures continuous host system charging in enterprise environments.

Universal Compatibility

Engineered for seamless integration with USB Type-C; USB4; and Thunderbolt-enabled systems across macOS (11+ with driver installation); Windows; and ChromeOS (v100+). that support USB-C Alt Mode and Power Delivery. Ideal for mixed-fleet IT environments; fully compatible with Dell XPS and Latitude; HP EliteBook and ProBook; Lenovo ThinkPad; and MacBook M series laptops; and more. Not compatible with Linux; HDCP not supported.

Expert Lifetime Support

Backed by North American-based technical support and our compatibility guarantee if something doesn't work; we'll make it right. Trusted by IT professionals worldwide; Plugable provides direct access to the engineers who design our products for deployment assistance; troubleshooting; and lifecycle support. We resolve issues quickly to minimize downtime and help organizations maintain productivity at Cables

• Male IEC Type B:
• Port Type (Side 2): IEC C5/C6
• Cable Length: 0.84m/2.76ft
• Male USB-C:
• Cable Specification: USB 3.0 (5Gbps)
• Port Type (Side 2): USB-C
• Cable Length: 0.84m/2.76ft
• External Power for Cable: No

LEDs

• LED Number: 1
• Shape: Dot
• Color: Blue
• Status: Solid
• Definition: Powered on

Video

• 2x HDMI Output:
• Placement: Rear
• Specification: HDMI 1.3
• Max Resolution and Refresh Rate: 1920x1200 60Hz; 1920x1080 60Hz; 1600x900 60Hz; 1280x1024 60Hz; 1280x800 60Hz; 1280x720 60Hz; 1152x864 60Hz; 1024x768 60Hz; 800x600 60Hz; 640x480 60Hz; 1920x1200 60Hz
• HDCP: Not Supported
• Chipset: DL-3900 DisplayLink
• 1x HDMI Output:
• Placement: Rear
• Specification: HDMI 1.4
• Max Resolution and Refresh Rate: 3840x2160 30Hz; 3840x1600 30Hz; 3440x1440 30Hz; 2560x1440 60Hz; 1920x1200 60Hz; 1920x1080 60Hz; 1600x900 60Hz; 1280x1024 60Hz; 1280x800 60Hz; 1280x720 60Hz; 1152x864 60Hz; 1024x768 60Hz; 800x600 60Hz; 640x480 60Hz; 3840x2160 30Hz
• HDCP: Host Dependent
• Chipset: RTD2717A-CG Realtek

Video Output Modes

• Host Stream Specification: DisplayPort 1.2
• Host Port Type: Thunderbolt 3 or USB-C
• Number of Displays Used: 1; 2; or 3
• Max Resolution at Display Count: 3840x2160 30Hz; 3840x1600 30Hz; 3440x1440 30Hz; 2560x1440 60Hz; 1920x1080 60Hz; 1600x900 60Hz; 1280x1024 60Hz; 1280x800 60Hz; 1280x720 60Hz; 1152x864 60Hz; 1024x768 60Hz; 800x600 60Hz; 640x480 60Hz; 3840x2160 30Hz

Audio

• HDMI Output:
• Placement: Rear
• Connection: DisplayLink HDMI
• Signal Output: Digital
• Channels: 2
• Chipset: DL-3900 DisplayLink
• HDMI 4K Output:
• Placement: Rear
• Connection: HDMI
• Signal Output: Digital
• Channels: 2
• Chipset: Alt Mode
• Headset Jack Bi-Directional:
• Placement: Front
• Connection: 3.5mm (TRRS)
• Signal Output: Analog
• Channels: 2
• Chipset: DL-3900 Supply:
• Placement: Rear
• Power Host / Device: Device
• Connection Type: Region-specific Power Adapter
• Notes: UL 60950-1 Certified
• Voltage: 20.0V
• Amperage: 6.75A
• Wattage: 135.0W
• USB-C to Host:
• Placement: Rear
• Power Host / Device : Host
• Connection Type: USB-C Power Delivery
• Voltage: 20.0V
• Amperage: 5.0A
• Wattage: 100.0W

USB To Devices

• 2x USB-A:
• Placement: Front
• Version and Link Rate: USB 3.0 (5Gbps)
• Voltage: 5V
• Amperage: 900mA
• Wattage: 4.5W
• 4x USB-A:
• Placement: Rear
• Version and Link Rate: USB 3.0 (5Gbps)
• Voltage: 5V
• Amperage: 900mA
• Wattage: 4.5W

Connection To Host

• Port: 1x USB-C
• Placement: Rear
• Version and Link Rate: USB 3.0 (5Gbps)
• Features: USB Power Delivery

Wired Network

• Port: DisplayLink Gigabit Ethernet
• Placement: Rear
• Version and Link Rate: 1000BASE-T
• Chipset : DL-3900 DisplayLink

Physical Stats

• Size (H x W x D) or Length: 3.1 x 20 x 8.5 centimeters (1.2 x 7.9 x 3.3 in.)
• Weight: 240 grams (8.5 ounces)
SPECIFICATIONS More Product Information for the Plugable Technologies USB-C Triple Monitor Docking Station - UD-3900PDZ


New and Improved Triple Display Dock

Instantly turn your laptop, 2-in-1, or Windows tablet into a multi-monitor desktop-by connecting a single cable-with the Plugable Triple HDMI USB-C Docking Station (UD-3900PDZ). The Plugable UD-3900PDZ Docking Station connects to a supported system using the included USB-C cable and provides the ability to connect up to three additional HDMI displays, provide up to 60W of USB-C Power Delivery, six USB 3.0 ports, a wired Gigabit Ethernet port, and 3.5mm combination analog audio input/output jack. Utilizing innovations introduced with USB 3.1, this dock takes advantage of "Alternate Modes" from the USB-C specifications for one of the display outputs and host charging.

This new and improved DisplayLink dock has been designed from the inside out to provide a triple-display dock that people can rely on. Lots of triple-display docks on the market have issues with monitors losing connection, the dock rebooting, flickering, and more. This new dock represents our focus on quality and our 10+ years in the docking station market. This new design has evidence of quality from its chipsets, layouts, high-tier manufacturing, and extensive testing.


Specifications
General Information Manufacturer Plugable Technologies Manufacturer Part Number UD-3900PDZ Brand Name Plugable Product Model UD-3900PDZ Product Name USB-C Triple HDMI Display Docking Station Packaged Quantity 1 Product Type Docking Station Technical Information Connectivity Technology Wired Device Supported Notebook/Tablet PC Number of Displays Supported 3 Screen Mode Supported 4K Supported Resolutions 2048 x 1152 Supported Resolutions 1920 x 1200 Supported Resolutions 1600 x 900 Supported Resolutions 1280 x 1024 Supported Resolutions 1280 x 800 Supported Resolutions 1280 x 720 Supported Resolutions 1152 x 864 Supported Resolutions 1024 x 768 Supported Resolutions 800 x 600 Supported Resolutions 640 x 480 Network & Communication Ethernet Technology Gigabit Ethernet Interfaces/Ports Host Interface USB 3.0 Type C Total Number of USB Ports 6 Number of USB 3.0 Ports 6 Number of USB Type-A Ports 6 USB Type-A Yes USB Type-C Yes USB Type-C Detail 1m USB-C to USB-C Cable With eMarker Network (RJ-45) Yes Number of RJ-45 Ports 1 Headphone/Microphone Combo Port Yes Number of HDMI Outputs 3 HDMI Yes Software Operating System Supported macOS Operating System Supported Windows Power Description Maximum Power Supply Wattage 60 W Miscellaneous Package Contents
• USB-C Triple HDMI Display Docking Station
• 1 x Quick Start Guide
• 1 x USB-C Cable
• 1 x Power Adapter
Compatibility
• Dell XPS Notebook
• Lenovo Thinkpad Notebook
• HP Spectre x360 Notebook
Brand Compatibility Dell Brand Compatibility Lenovo Brand Compatibility HP Country of Origin Thailand Warranty Limited Warranty 2 Year IN THE BOX
Terms & Conditions Shipping & Handling Policy Please note that - depending on your geographic location - not all methods are available. Make sure to select the appropriate method referring to the table below which indicates the cheapest available shipping method for your location.
Your address Cheapest shipping method Continental US Physical Addresses Standard Flat Rate Shipping Service

Note: Usually ships free* via Fedex thus this option is not available to PO Box addresses

Continental US PO Box Expedited Flat Rate Shipping Service

Note: Will ship out via USPS Parcel Post

APO / FPO Military Addresses Overnight Flat Rate Shipping Service Note: Will ship out via USPS Parcel Post, shipping time is not guaranteed Alaska, Hawaii, Puerto Rico Overnight Flat Rate Shipping Service Note: Usually ships via Fedex Express, shipping time is not guaranteed

*NOTE: Free shipping is only available to any physical address (not a PO Box) that is located in the lower 48 states. Shipping charges will apply if your address does not meet this criteria.

Failure to select the appropriate method will result in order processing delays as we await the payment of the additional shipping charge due. Our billing department will attempt to contact you to process the payment and ship your order. If payment is not made within 5 days after your order was placed, we will cancel and refund the transaction.

* Sellers are not responsible for service transit time. This information is provided by the carrier and excludes weekends and holidays. Note that transit times may vary, particularly during peak periods.

International customers - Please note that we are not the party collecting the shipping & handling nor the import charges (duties and taxes)

FAQ
• How Long Does It Generally Take To Process An Order?
  It takes one to two business days for us to process an order (prior to shipping it). Once the order has shipped, your estimated time of arrival will be determined by your selected shipping method and your local FedEx guidelines for delivery.
• What Should I Do If An Item Is Missing From My Order?
  First, verify that you've received a box for each tracking number associated with your order. If all boxes have been delivered but you're still missing an item, check the packing material for small items.
• Do All Of The Products You Sell Carry A Warranty?
  All merchandise is brand new, factory fresh and includes the manufacturer's USA warranty unless clearly stated otherwise. Items in Certified Refurbished condition include a 2-year extended warranty backed by All-state. Items in seller refurbished condition are backed at minimum by a 90 day warranty. Items in Used or Open-box condition sold at closeout prices are sold as-is and do not always include a warranty.
• Can The Signature On My Package Be Waived?
  We apologize, but for security purposes, we cannot waive the signature on a package. You can make arrangements to pick up a package from the shipping terminal.
Payment, Returns & Checkout Information
• Return Policy
  You may return merchandise purchased from Buydig for a refund or a replacement, provided that the procedures and requirements referred to in our return policy are followed. All product returns require a return authorization number (RA). A RA number must be issued within 30 calendar days after the date of purchase; it will be valid for 14 calendar days after it is issued.
  
  Removal or alteration of a product's upc number, serial number or upc/serial number sticker will automatically void your Buydig Return Policy. Products that are returned to Buydig with a missing, damaged or altered serial number will be refused RMA service and returned to you.
  
• Refunds
  Refunds are applied to the payment method used at the time of purchase 2-5 days after receipt of the returned merchandise.
  
• Exchanges
  If you purchased a product from Buydig that you wish to exchange for an alternative, you can return the item for a refund and simply place a new order for the item you desire. We do not apply a refund credit to your new purchase
  
• Defective Item
  An item that was discovered to be defective upon receipt can be replaced with the same model only. You may also return a defective item for a refund.
  
• Damaged Items
  All Packages are inspected for damage before they ship from our warehouse. If your package has been damaged in transit, please contact us immediately. We must be informed of all shipping related claims within 1 business day after the date of receipt. We do not issue refunds for returns of damaged merchandise. An item that was discovered damaged upon receipt will be replaced with the same model only.
  
• International Customers
  Please be advised that our products are intended for a US market. If it is to be used outside of the US, please check in advance that it will work. Returns on international orders require the customer pay the return shipping.
  

If an item you received is defective, we will certainly replace the item with a new one. We will ship the replacement product to you at our cost, and use every good measure to ensure that the replacement order is processed quickly.

• Replacement
  We will send a product replacement after the authorized return has completed our receiving/inspection process. The replacement will ship within four business days following our receipt of your return. Please allow additional processing time after Holidays. Although it is our goal to ship a replacement as quickly as possible, we do not send replacements before we receive and inspect the returned merchandise.
  
  To receive a replacement more quickly, you may place a new order for the same item, and we will issue a refund for the full value of the returned product upon completion of our return process.
  
• Returning Items
  If you do not have the return form, we will provide it together with your RA number. Please fill in the requested information on our product return form, and carefully follow the instructions for return.
  
  All returned merchandise must be in original condition, and must include the original factory box (UPC bar codes and serial numbers must be intact) and factory packaging (e.g. foam, plastic, wrappings, etc.), peripherals (e.g. battery, charger, cords, straps, etc.), included warranty cards (without markings), and all instruction booklets and paperwork. The RA number or any other inscriptions must not be written or printed on the product box or packaging. We will not process the return if any of these conditions are not followed.
  
  Retuned merchandise that is lost or damaged during transit is solely the shipper's responsibility. It is important save the tracking information and to properly insure all merchandise being returned to Buydig.
  
• Television Returns
  Buyers Remorse for TVs in Brand New condition:
  If you are not 100% satisfied with your TV purchase, you may return it within 30 days from delivery for a full refund, less return shipping fees. Please note that a 15% restocking fee may apply. All returned TVs must be in their original box and include all packing material, manuals, and accessories.
  
  Damages: Were here to help!
  For Common Deliveries (FedEx, UPS):
  Please inspect the TV and report any damages (e.g. cracked screen, scratches, dents, etc.) within 2 days by contacting us at 1.800.617.4686
  For Special Handling/Freight deliveries:
  Please open and inspect the TV prior to signing for it. If the TV is cracked or damaged, please refuse delivery and contact us immediately at 1.800.617.4686.
  
  Please note damage claims will be denied for the following:
  TVs with over 60 minutes of recorded usage
  TVs that have been moved from the original delivery address
  
  All damage claims must be made within two (2) days of delivery. We will issue a refund and cover all shipping costs.
  
  
• International Returns
  The customer is responsible for paying for return shipping should they decide to return the product.
  
• Return Exception
  Every item we sell is BRAND NEW and under manufacturer's warranty, unless clearly stated otherwise. Although we have a very flexible return policy on most of the items we sell, due to manufacturer restrictions, there are certain items on which we cannot accept returns. The manufacturer will generally repair or replace the item so long as it is under warranty.
  
  Restricted products include:
  • A/V Furniture
  • Apple iPods
  • Consumables, including but not limited to, recordable media, film, tapes, batteries, paper, and ink
  • Drones - All defects can be handled under the manufacturer's warranty. For DJI brand drones, call DJI at 818-235-0789 and obtain a case number for the defect prior to requesting an RMA. Please note only Dead on Arrival units out of the box will be returnable to us (with a valid case number). DJI will NOT authorize any returns to us if there are any signs of use like dirt, grass stains, nicks or any signs of use. For these situations, the Return Authorization would need to be handled directly between the customer & DJI
  • Mattresses
  • Mobile Phones
  • Opened Software
  • Personal Body Massagers
  • Opened packages of Apparel, Bedding or Linens
  • Used Cookware
  • BBQ Grills
  • Shavers
  • Special order items
    
    
• Resellers & Bulk Orders Policy
  Buydig does not ship to resellers and reserves the right to limit quantities and orders to all customers.

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