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StarTech MSTCDP123HD USB-C to Triple HDMI 4K30 MST Hub
USB-C to Triple HDMI 4K30 MST Hub designed for professional IT, electronics, security or workstation use.
Frequently asked questions
What is StarTech MSTCDP123HD?
It is a USB-C DisplayPort Alt Mode to three-port HDMI MST hub that connects up to three HDMI displays to one compatible Windows USB-C host, with support for two 4K screens or three 1080p screens.
Which connections or mounting method are provided?
USB-C male host input to three HDMI female display outputs
What performance is specified?
Up to 4K 30Hz; supports two 4K displays or three 1080p displays; bus powered
How is the product constructed?
Compact black adapter with an attached USB-C cable for portable multi-monitor use
Can all three displays run at 4K?
No. The supplied information supports up to two 4K displays or three 1080p displays.
Does it work with Thunderbolt 3?
Yes, when the Thunderbolt 3 host provides compatible DisplayPort video and Windows MST support.
What should be checked before ordering?
The host must support USB-C DisplayPort Alt Mode and MST; three-display output is limited by the available host bandwidth.
What warranty applies?
MSTCDP123HD 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.
(MSTCDP123HD)
Why choose MSTCDP123HD?

MSTCDP123HD 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; VIA/VLI - VL100 |
| Ports | 3 |
| Performance | |
| Maximum Digital Resolutions | 3840 x 2160 @30hz |
| Supported Resolutions | 1024x768; 1280x720 (High-definition 720p); 1920x1080 (High-definition 1080p); 1920x1200; 2560x1440; 2560x1600; 3840 x 2160 (Ultra HD 4K) @30hz |
| Wide Screen Supported | Yes |
| Connector(s) | |
| Connector A | 1 - USB-C (24 pin) DisplayPort Alt Mode Male Input |
| Connector B | 3 - HDMI (19 pin) Female Output |
| Software | |
| OS Compatibility | Windows 10 (32/64); Windows 8/8.1 (32/64); Windows 7(32/64) |
| Environmental | |
| Humidity | 50-90% |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Storage Temperature | -20°C to 70°C (-4°F to 158°F) |
| Physical Characteristics | |
| Accent Color | Black |
| Cable Length | 11.8 in [300 mm] |
| Color | Black |
| Enclosure Type | Plastic |
| Product Height | 0.6 in [1.5 cm] |
| Product Length | 4.1 in [10.5 cm] |
| Product Width | 2.6 in [65 mm] |
| Weight of Product | 4.2 oz [118 g] |
| Packaging Information | |
| Package Height | 2.4 in [62 mm] |
| Package Length | 9.6 in [24.5 cm] |
| Package Width | 6.1 in [15.4 cm] |
| Shipping (Package) Weight | 0.7 lb [0.3 kg] |
| What's in the Box | |
| Included in Package | 1 - MST hub |
Sources: https://www.devicedeal.com.au/startech-multi-monitor-video-splitter-windows-thun and https://www.startech.com/
| SKU | MSTCDP123HD |
| Barcode # | 65030867276 |
| Brand | STARTECH |
| Shipping Weight | 0.2900kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.240m |
| Shipping Cubic | 0.001200000m3 |
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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