- Pick Up Available
- Australian Warranty
- Checkout Securely

StarTech MSTCDP122HD USB-C to Dual HDMI 4K30 MST Hub
USB-C to Dual HDMI 4K30 MST Hub designed for professional IT, electronics, security or workstation use.
Frequently asked questions
What is StarTech MSTCDP122HD?
It is a USB-C DisplayPort Alt Mode to dual HDMI MST hub that connects two independent HDMI displays to one compatible Windows USB-C host with digital output up to 4K 30Hz.
Which connections or mounting method are provided?
USB-C male host input to two HDMI female display outputs
What performance is specified?
MST extended desktop; up to 4K 30Hz; HDMI audio; bus powered
How is the product constructed?
Compact black plastic adapter with an attached USB-C host cable
Can the displays show different content?
Yes. Compatible Windows systems can use MST extended mode for independent external displays.
Is Thunderbolt 3 supported?
Yes, when the Thunderbolt 3 host supports the required DisplayPort video output and Windows MST operation.
What should be checked before ordering?
The host must support USB-C DisplayPort Alt Mode and MST; resolution depends on the host GPU, displays and cables.
What warranty applies?
MSTCDP122HD carries a StarTech.com 3 years manufacturer warranty, subject to the manufacturers terms and eligibility requirements.
Planning a broader setup? Browse the DeviceDeal buying guides.
(MSTCDP122HD)
Why choose MSTCDP122HD?

MSTCDP122HD specifications
Exact-model specifications for compatibility checking. Measurements may be rounded.
| Warranty Information | |
|---|---|
| Warranty | 3 Years |
| Hardware | |
| Audio | Yes |
| AV Output | HDMI |
| Chipset ID | MegaChips - STDP4320; Parade - PS8402A; VIA/VLI - VL100 |
| Ports | 2 |
| Performance | |
| Maximum Digital Resolutions | 3840x2160 @ 30hz |
| Supported Resolutions | Note: MST shares 21.6 Gbps across all attached displays. Higher resolutions can restrict the available bandwidth with the remaining ports, please see our guideline below for determining an ideal resolution for your setup. Average resolution bandwidth allocation 1920x1080 (1080p) @60hz - 22%; 1920x1200 @60hz - 30%; 2560x1440 @60hz - 35%; 2560x1600 @60hz - 38%; 3840 x 2160 (Ultra HD 4K) @30hz - 38% Note: Exceeding 100% will reduce functionality. |
| Wide Screen Supported | Yes |
| Connector(s) | |
| Connector A | 1 - USB-C (24 pin) DisplayPort Alt Mode Male Input |
| Connector B | 2 - HDMI (19 pin) Female Output |
| Software | |
| OS Compatibility | Windows 10, 8.1, 8 |
| Special Notes / Requirements | |
| Note | Your USB-C equipped device must support video (DP Alt Mode) to work with this adapter |
| Environmental | |
| Humidity | 50-90% |
| Operating Temperature | 5°C to 35°C (41°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Physical Characteristics | |
| Cable Length | 1.3 in [33 mm] |
| Color | Black |
| Enclosure Type | Plastic |
| Product Height | 0.5 in [1.3 cm] |
| Product Length | 2.4 in [62 mm] |
| Product Width | 2.3 in [58 mm] |
| Weight of Product | 1.6 oz [44 g] |
| Packaging Information | |
| Package Height | 1.3 in [32 mm] |
| Package Length | 6.9 in [17.4 cm] |
| Package Width | 5.7 in [14.4 cm] |
| Shipping (Package) Weight | 5 oz [143 g] |
| What's in the Box | |
| Included in Package | 1 - MST hub |
Sources: https://www.devicedeal.com.au/startech-usb-c-to-hdmi-multi-monitor-adapter-2-por and https://www.startech.com/
| SKU | MSTCDP122HD |
| Barcode # | 65030866491 |
| Brand | STARTECH |
| Shipping Weight | 0.1400kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.170m |
| Shipping Cubic | 0.000850000m3 |
This Australian-version product is supplied by DeviceDeal and is covered by the 3-year manufacturer warranty term listed for this exact product.
- Keep your DeviceDeal tax invoice as proof of purchase.
- Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
- Warranty service does not replace rights that may apply under Australian Consumer Law.
Be The First To Review This Product!
Help other Device Deal users shop smarter by writing reviews for products you have purchased.




