StarTech.com 2-Port Multi Monitor Adapter - USB-C to 2x HDMI Video Splitter - USB Type-C to HDMI MST Hub - Dual 4K 30Hz or 1080p 60Hz - Thunderbolt 3 Compatible - Windows Only

Manufacturer: Startech | Model: MSTCDP122HD | Product ID: 2084 | Warranty: 3 Years
£40.80 (inc. VAT)
37 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Performance
USB connector typeUSB Type-C
USB connector genderMale connector
DVI outputNo
HDMI outputYes
DisplayPort outputNo
Number of displays supported2
HDMI version1.4
Maximum resolution3840 x 2160
Refresh rate at maximum resolution30
Supported graphics resolutions1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2560 x 1440,2560 x 1600 (WQXGA),3840 x 2160
ChipsetMegaChips - STDP4320, Parade - PS8402A, VIA/VLI - VL100
CertificationCE, FCC, REACH
Design
Product colourBlack
Integrated USB cableYes
System requirements
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 Pro,Windows 10 Pro 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
Operational conditions
Operating temperature (T-T)5 - 35
Storage temperature (T-T)-20 - 60
Operating relative humidity (H-H)50 - 90
Weight & dimensions
Width58
Depth62
Height13
Weight44
Package width144
Package depth174
Package height32
Package weight143
Packaging content
Quick installation guideYes
Technical details
Sustainability certificatesRoHS
Logistics data
Products per master (outer) case28
Master (outer) case width332
Master (outer) case length504
Master (outer) case height229
Harmonized System (HS) code84733020

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
Dual Monitor Adapter | Windows | Thunderbolt 3 Compatible

This USB-C to HDMI MST Hub lets you connect two HDMI monitors to your USB Type-C Windows device, conveniently helping you to maximize your productivity. 

Multi-tasking Made Easy 

With devices becoming more portable than ever, you can be limited to fewer video outputs and confined to your small integrated screen. This multi-stream transport hub solves that problem by enabling you to connect two separate displays to your USB-C computer, making multi-tasking much easier. Using this USB-C to HDMI video splitter, you can mirror your display onto additional monitors or stream independent content to each display, which makes it the ideal accessory for travel or hot-desking.  

Astonishing Picture Quality 

MST technology uses your existing video card to minimize the use of system resources, while delivering UHD 4K resolutions for two monitors or displays simultaneously. With support for HD 1080p and UHD 4K the USB-C hub is perfect for all high-resolution applications such as graphic design and CAD drawing. 

Hassle-Free Setup

Multi-stream transport offers an easy setup by natively working on any Windows device that supports DP Alt Mode over USB Type-C. This USB-C to HDMI hub is Thunderbolt 3 compatible, and offers plug-and-play installation with no drivers or software required. Additionally, this dual-monitor splitter is powered by the USB-C port, meaning no external power cords are necessary.   

MSTCDP122HD is backed by a StarTech.com 3-year warranty, and free lifetime technical support. 

The StarTech.com Advantage

- MULTIPLE MONITORS: USB-C to HDMI splitter to drive 2x 4K 30Hz or 2x 1080p 60Hz HDMI displays using a USB-C DP Alt-Mode port (DP 1.2/HBR2/MST) w/ no video compression; Thunderbolt 3 compatible
- CONVENIENCE: With a built-in 1ft cable, this bus-powered 2-port MST hub provides an easy method to connect up to two independent screens with any DisplayPort over USB Type-C Windows host device
- COMPATIBLE WITH: Dell XPS / Precision / Latitude, Lenovo ThinkPad X1 Carbon / Extreme, Surface Laptop 3 / Book 3 / Pro 7, HP ProBook / EliteBook / Spectre / ZBook & smaller (Mini -ITX) computers
Performance
USB connector typeUSB Type-C
USB connector genderMale connector
DVI outputNo
HDMI outputYes
DisplayPort outputNo
Number of displays supported2
HDMI version1.4
Maximum resolution3840 x 2160
Refresh rate at maximum resolution30
Supported graphics resolutions1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2560 x 1440,2560 x 1600 (WQXGA),3840 x 2160
ChipsetMegaChips - STDP4320, Parade - PS8402A, VIA/VLI - VL100
CertificationCE, FCC, REACH
Design
Product colourBlack
Integrated USB cableYes
System requirements
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 Pro,Windows 10 Pro 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
Operational conditions
Operating temperature (T-T)5 - 35
Storage temperature (T-T)-20 - 60
Operating relative humidity (H-H)50 - 90
Weight & dimensions
Width58
Depth62
Height13
Weight44
Package width144
Package depth174
Package height32
Package weight143
Packaging content
Quick installation guideYes
Technical details
Sustainability certificatesRoHS
Logistics data
Products per master (outer) case28
Master (outer) case width332
Master (outer) case length504
Master (outer) case height229
Harmonized System (HS) code84733020

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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.

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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.