StarTech.com USB-C Dual Monitor Multiport Adapter up to 4K 60Hz USB-C DP Alt Mode Video Output & HDMI 2.0, or 1080p VGA, 100W PD Pass-Through, USB Type C Mini Dock, USB-C Docking Station, MST Hub

Manufacturer: Startech | Model: DKM31C3HVCPD | Product ID: 5402 | Warranty: 3 Years
£52.26 (inc. VAT)
4 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Ports & interfaces
Connectivity technologyWired
Host interfaceUSB 3.2 Gen 2 (3.1 Gen 2) Type-C
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
USB Power DeliveryYes
USB Power Delivery up to100
HDMI ports quantity1
HDMI version2.0b
VGA (D-Sub) ports quantity1
Microphone inNo
USB Type-C DisplayPort Alternate ModeYes
Network
Ethernet LANYes
Ethernet LAN (RJ-45) ports1
Ethernet LAN data rates10,100,1000
Full duplexYes
Performance
Card reader integratedNo
Data transfer rate10
HD type4K Ultra HD
Maximum digital resolution3840 x 2160
Maximum analog resolution1920 x 1200
Maximum refresh rate60
Product colourGrey
High Dynamic Range 10 (HDR10)Yes
LED indicatorsActivity,Link
UASP supportYes
Power
Power source typeUSB
Power consumption (typical)12
Software
Windows operating systems supportedWindows 10,Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10 Enterprise x64,Windows 10 Home,Windows 10 Home x64,Windows 10 IOT Core,Windows 10 IoT Enterprise,Windows 10 Pro,Windows 10 Pro x64,Windows 10 x64,Windows 11,Windows 11 x64,Windows 7,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 7 x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64
Other operating systems supportedChromeOS
Operational conditions
Operating temperature (T-T)0 - 60
Storage temperature (T-T)-20 - 60
Operating relative humidity (H-H)0 - 90
Sustainability
Sustainability certificatesCE,RoHS
Weight & dimensions
Width83
Depth144
Height28
Weight170
Packaging data
Package width144
Package depth207
Package height38
Package weight160
Packaging content
Quick start guideYes
Logistics data
Products per master (outer) case20
Master (outer) case width425
Master (outer) case length230
Master (outer) case height330
Harmonized System (HS) code84733020
Other features
Cable length0.25
ChipsetGenesys Logic - GL3590, Genesys Logic - GL9510-UFP, Genesys Logic - GL9510-DFP, Realtek - RTD2142, Realtek - RTL8153

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Sat 06th Dec 2025 to Mon 08th Dec 2025
View all Delivery Options & International Rates
This USB-C™ Multiport Adapter/Docking Station with DisplayPort™ 1.4 (Alt Mode) and Multi-Stream Transport (MST), features three video output options (HDMI, VGA and USB-C video) to support a single or multi-monitor workstation. The USB-C video port supports USB 3.2 Gen 2 (10Gbps) with 10W of power, to connect a USB-C monitor or a USB-C peripheral. In addition, the Docking Station also features a 2-Port USB-A 3.2 Gen 2 (10 Gbps) Hub, a Gigabit Ethernet port, and providing advanced charging through a USB Power Delivery (PD) 3.0 pass-through port. The Multiport Adapter connects to a laptop's USB-C or Thunderbolt 3/4™ port, using the integrated 10-inch (25cm) USB-C cable.

Versatile, High-Performance Video via MST
The compact USB Type-C Docking Station features three video output options to turn your laptop into a single or multi-monitor workstation.

HDMI Port
Provides HDR video with resolutions up to 4K 60Hz.

VGA Port
Provides analog video with resolutions up to 1080p 60Hz.

USB-C Port
Provides the industry's first downstream full featured video or data (10Gbps) USB-C port that supports DP Alt Mode video or peripheral connection, on a non-Thunderbolt adapter.

The advanced video versatility of this Multiport Adapter, makes it suitable for a wide variety of applications:

- Connect a portable USB-C monitor as an extended display, to obtain a high resolution external monitor during on-the-go travel between an office desk, home office, hot desk, or the boardroom.
- Connect a USB-C peripheral to the downstream 10Gbps USB-C port, while using the HDMI and/or VGA ports to connect external monitor(s) as extended display(s).
- Connect multiple external monitors as extended displays, using any combination of the two video ports, to create a high-productivity workstation. USB-C video adapters (sold separately) can be used to connect HDMI, DVI, VGA, or DisplayPort monitors to the USB-C video port.

Connect Your Devices
The USB 3.2 Gen 2 (10Gbps) hub features two USB-A ports and one USB-C port, for connecting your USB devices. The downstream USB-C port can be used to connect a monitor, or USB-C peripheral with up to 10W (5V/2A) of power, to power or charge your peripherals.

Multiple Use Cases
A versatile docking solution for use at an office desk, home office, hot desk, or in the boardroom. It's portable enough to be carried in a bag / backpack for mobile use. The USB-C dock can operate with bus-power alone, or with a USB-C power adapter connected to the USB Power Delivery pass-through port - for full laptop and USB-C peripheral charging. The lightweight docking station features a built-in 10 in (25 cm) USB-C host cable for added setup flexibility and to reduce port strain with laptop connection elevated off desktop surface.

Charge Your Laptop and Peripherals
With support for USB PD 3.0 (100W - 80W charging, 20W reserved for multiport adapter), the Multiport Adapter enables charging of the host computer and peripherals connected to the USB-C port. USB PD is only available when a USB-C power adapter is connected to the PD pass-through port. PD 3.0 features Fast Role Swap (FRS) which prevents USB data disruption when switching power sources (e.g., USB-C power adapter to bus power).

Reliable Network Connectivity
The Gigabit Ethernet port ensures reliable wired network access. Support for Wake-on-LAN (WoL) enables remote booting of the host computer.

Enhance Productivity and Device Management with the StarTech.com Connectivity Tools Application
Developed to improve performance and security, StarTech.com Connectivity Tools is the only software suite on the market that works with a wide range of IT connectivity accessories. The software suite includes:
- Advanced Windows Layout Utility: Setup and save custom windows layouts.
- MAC Address Pass-Through Utility: Improve network security.
- USB Event Monitoring Utility: Track and log connected USB devices.
- Wi-Fi Auto Switch Utility: Enable users to quickly access faster network speeds via wired LAN.
Ports & interfaces
Connectivity technologyWired
Host interfaceUSB 3.2 Gen 2 (3.1 Gen 2) Type-C
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
USB Power DeliveryYes
USB Power Delivery up to100
HDMI ports quantity1
HDMI version2.0b
VGA (D-Sub) ports quantity1
Microphone inNo
USB Type-C DisplayPort Alternate ModeYes
Network
Ethernet LANYes
Ethernet LAN (RJ-45) ports1
Ethernet LAN data rates10,100,1000
Full duplexYes
Performance
Card reader integratedNo
Data transfer rate10
HD type4K Ultra HD
Maximum digital resolution3840 x 2160
Maximum analog resolution1920 x 1200
Maximum refresh rate60
Product colourGrey
High Dynamic Range 10 (HDR10)Yes
LED indicatorsActivity,Link
UASP supportYes
Power
Power source typeUSB
Power consumption (typical)12
Software
Windows operating systems supportedWindows 10,Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10 Enterprise x64,Windows 10 Home,Windows 10 Home x64,Windows 10 IOT Core,Windows 10 IoT Enterprise,Windows 10 Pro,Windows 10 Pro x64,Windows 10 x64,Windows 11,Windows 11 x64,Windows 7,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 7 x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64
Other operating systems supportedChromeOS
Operational conditions
Operating temperature (T-T)0 - 60
Storage temperature (T-T)-20 - 60
Operating relative humidity (H-H)0 - 90
Sustainability
Sustainability certificatesCE,RoHS
Weight & dimensions
Width83
Depth144
Height28
Weight170
Packaging data
Package width144
Package depth207
Package height38
Package weight160
Packaging content
Quick start guideYes
Logistics data
Products per master (outer) case20
Master (outer) case width425
Master (outer) case length230
Master (outer) case height330
Harmonized System (HS) code84733020
Other features
Cable length0.25
ChipsetGenesys Logic - GL3590, Genesys Logic - GL9510-UFP, Genesys Logic - GL9510-DFP, Realtek - RTD2142, Realtek - RTL8153

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
- Earphones
- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.