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StarTech MSTCDP122DP USB-C to Dual DisplayPort 4K30 MST Hub
USB-C to Dual DisplayPort 4K30 MST Hub designed for professional IT, electronics, security or workstation use.
Frequently asked questions
What is StarTech MSTCDP122DP?
It is a USB-C DisplayPort Alt Mode to dual DisplayPort 1.2 MST hub that connects two independent DisplayPort monitors to one compatible Windows USB-C host at up to 4K 30Hz.
Which connections or mounting method are provided?
USB-C male host input to two DisplayPort female outputs
What performance is specified?
DisplayPort 1.2 MST; up to 4K 30Hz; 5.1-channel audio; independent extended desktop on Windows
How is the product constructed?
Compact black plastic, bus-powered adapter with an attached USB-C cable
What maximum resolution is supported?
The supplied specification lists a maximum digital resolution of 4K at 30Hz.
Does it need an external power adapter?
No. The hub is powered through the connected USB-C host.
What should be checked before ordering?
The host must support USB-C DisplayPort Alt Mode and MST; available resolutions depend on the host GPU, displays and cables.
What warranty applies?
MSTCDP122DP 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.
(MSTCDP122DP)
Why choose MSTCDP122DP?

MSTCDP122DP specifications
Exact-model specifications for compatibility checking. Measurements may be rounded.
| Warranty Information | |
|---|---|
| Warranty | 3 Years |
| Hardware | |
| Audio | Yes |
| AV Output | DisplayPort |
| Chipset ID | MegaChips - STDP4320; 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 (High-definition 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 - DisplayPort (20 pin) Female Output |
| Software | |
| OS Compatibility | Microsoft Windows® 10, 8/8.1, 7 |
| Special Notes / Requirements | |
| Note | DisplayPort 1.2 with MST+HBR2 support from the GPU is required for independent display output |
| Power | |
| Power Source | USB-Powered |
| 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 | 12.8 in [32.4 cm] |
| Color | Black |
| Product Height | 0.6 in [1.4 cm] |
| Product Length | 15.2 in [38.6 cm] |
| 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 | 6.8 in [17.2 cm] |
| Package Width | 5.6 in [14.3 cm] |
| Shipping (Package) Weight | 0.3 lb [0.1 kg] |
| What's in the Box | |
| Included in Package | 1 - MST hub |
Sources: https://www.devicedeal.com.au/startech-usb-type-c-to-displayport-multi-monitor-s and https://www.startech.com/
| SKU | MSTCDP122DP |
| Barcode # | 65030864497 |
| Brand | STARTECH |
| Shipping Weight | 0.1300kg |
| 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.
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